Padlocks – see the variations in shape, function and use


Padlocks – see the variations in shape, function and use


Padlocks are a simple and effective way to secure everything from the garden shed and bicycle to the toolbox and suitcase. They come in many sizes, materials and locking mechanisms – from classic key locks to modern combination and smart locks with Bluetooth. The choice of padlock depends on what you want to protect and how high the security level should be.
In this article, you’ll get an overview of the most common types of padlocks and their functions, making it easier to find the solution that best suits your needs.
The article presents a selection of padlocks that show the range of the market – from compact models for travel use to robust versions for outdoor security. The aim is to provide an informative overview of the different types, materials and locking mechanisms available. The product information is based on publicly available descriptions from manufacturers and retailers and is summarised to give a clear and neutral picture of the options.

The Kryptonite Padlock is a laminated steel padlock designed to provide a robust and durable security solution. The 44 mm wide lock body consists of several layers of steel, which increases resistance to physical attacks.
The lock is equipped with a double deadbolt mechanism that locks the shackle on both sides for extra security. The hardened steel shackle makes it difficult to cut or saw through the lock, making it suitable for use in environments where extra strength is required.
It comes with two keys, and the lock can be used for many purposes – for example for toolboxes, lockers, gates or bicycle accessories, where a simple and mechanical security solution is desired without the use of a code or electronics.
- Laminated steel construction: Increases resistance to impact and break-ins.
- Double deadbolt lock: Locks the shackle on both sides for extra security.
- Hardened steel shackle: Provides high strength and resistance to cutting.
- Compact size: 44 mm wide lock body, suitable for many applications.
- Supplied with two keys: Makes it easy to share access or have a spare.
Pros and cons
- Robust laminated steel construction
- Hardened shackle for increased resistance to cutting
- Double deadbolt lock provides extra security
- Supplied with two keys
- Not approved as a high-security lock
- Mechanical key lock requires key storage
Pros and cons
Pros
- Robust laminated steel construction
- Hardened shackle for increased resistance to cutting
- Double deadbolt lock provides extra security
- Supplied with two keys
Cons
- Not approved as a high-security lock
- Mechanical key lock requires key storage
Pros
- Robust laminated steel construction
- Hardened shackle for increased resistance to cutting
- Double deadbolt lock provides extra security
- Supplied with two keys
Cons
- Not approved as a high-security lock
- Mechanical key lock requires key storage
Specifications
- Model: Kryptonite Laminated Steel Padlock 44 mm
- Dimension: 44 mm
- Weight: 0.27 kg
- Lock type: Key
- Lock mechanism: Double deadbolt lock
- Material: Hardened steel shackle and laminated steel body
- Number of keys: 2
- Approved: No
- Item number: KRY850359
- EAN: 720018850359
- Brand: Kryptonite

Panduit Non-conductive lock with 38 mm shackle is a padlock developed for use in environments where electrical conductivity must be avoided. The non-conductive lock body contributes to increased safety when working with electrical systems and equipment.
The lock is made of vinyl-coated aluminium, providing a combination of strength and resistance to wear. The red colour makes it easy to identify in work environments where multiple locks are used for safety purposes.
With a shackle height of 38.1 mm and a diameter of 6.6 mm, the lock fits many types of blocking and locking devices. It is halogen-free and comes with a key, making it suitable for use in systems where individual access control is required.
- Non-conductive design: Increases safety when working with electrical installations.
- Robust material: Vinyl-coated aluminium provides durability and resistance.
- Compact design: 38 mm shackle fits many types of locking devices.
- Distinct colour: Red finish makes the lock easy to identify.
- Halogen-free: Meets environmental and safety standards.
Pros and cons
- Non-conductive lock body for increased electrical safety
- Durable and lightweight material
- Easy to identify thanks to the red colour
- Fits many types of safety locks
- Not intended for high-security areas requiring strong mechanical resistance
- Shackle length may be limiting in certain applications
Pros and cons
Pros
- Non-conductive lock body for increased electrical safety
- Durable and lightweight material
- Easy to identify thanks to the red colour
- Fits many types of safety locks
Cons
- Not intended for high-security areas requiring strong mechanical resistance
- Shackle length may be limiting in certain applications
Pros
- Non-conductive lock body for increased electrical safety
- Durable and lightweight material
- Easy to identify thanks to the red colour
- Fits many types of safety locks
Cons
- Not intended for high-security areas requiring strong mechanical resistance
- Shackle length may be limiting in certain applications
Specifications
- Manufacturer: Panduit
- Model: PSL-8
- Item number: 2769848
- EAN: 0074983220151
- Product type: Padlock - key
- Material: Vinyl-coated aluminium
- Colour: Red
- Features: Non-conductive lock body, short shackle
- Compliance standards: Halogen-free
- Shackle: Width 19 mm, height 38.1 mm, diameter 6.6 mm
- Body: Width 40 mm, height 45 mm

Pacsafe Prosafe 1000 TSA is a small and robust padlock designed to protect luggage during travel. It uses a three-digit combination that the user can set themselves and is equipped with a TSA Lock system, which allows authorised security authorities to open and relock the lock without damaging it.
The lock is made from a combination of plastic, stainless steel and zinc alloy, providing a good balance between low weight and strength. It is Travel Sentry approved, meaning it meets international luggage security standards.
With its compact dimensions of 34 × 20 × 75 mm and a weight of 70 grams, the Prosafe 1000 TSA is easy to handle and suitable for both suitcases, bags and backpacks. The resettable code allows the lock to be customised as needed and increases flexibility for the user.
- TSA approved: Can be opened by security authorities without being damaged.
- Three-digit combination: The user can set and change the code themselves.
- Durable materials: Made from plastic, stainless steel and zinc alloy.
- Compact design: Lightweight and practical for travel use.
- Resettable code: Provides flexibility and easy operation.
Pros and cons
- TSA and Travel Sentry approved for safe travel use
- Lightweight and compact construction
- Ability to set your own combination
- Robust materials that resist wear
- Limited security level compared to larger locks
- Not suitable for heavy outdoor use or high loads
Pros and cons
Pros
- TSA and Travel Sentry approved for safe travel use
- Lightweight and compact construction
- Ability to set your own combination
- Robust materials that resist wear
Cons
- Limited security level compared to larger locks
- Not suitable for heavy outdoor use or high loads
Pros
- TSA and Travel Sentry approved for safe travel use
- Lightweight and compact construction
- Ability to set your own combination
- Robust materials that resist wear
Cons
- Limited security level compared to larger locks
- Not suitable for heavy outdoor use or high loads
Specifications
- Manufacturer: Pacsafe
- Model: 10260100
- Item number: 2812814
- EAN: 0688334003753
- Product type: Padlock - combination - multi-dial
- Code length: 3 digits
- Features: TSA Lock system, Travel Sentry approved, resettable
- Material: Plastic, stainless steel, zinc alloy
- Compliance standards: TSA
- Dimensions (W × D × H): 34 × 20 × 75 mm
- Weight: 70 g

The Struktur padlock Marine 30 is made of solid brass and equipped with a brass shackle, providing a robust and corrosion-resistant construction. It is designed to withstand moisture and salt water, making it particularly suitable for use in marine environments.
The lock comes with a plastic coating that protects against scratches and wear marks on delicate surfaces. It can be used for boats, sheds, toolboxes and other places where durability and rust resistance are required.
With its compact size and precise workmanship, the padlock offers a practical solution for securing smaller items and storage areas, where reliability and resistance are crucial.
- 100% stainless construction: Ideal for use in humid and maritime environments.
- Solid brass: Provides strength and long service life.
- Plastic coating: Protects against scratches and damage to surfaces.
- Compact design: Easy to use on boats, toolboxes and sheds.
- Supplied with 2 keys: Provides flexibility in use.
Pros and cons
- High corrosion resistance
- Solid brass construction
- Suitable for outdoor and maritime use
- Protective plastic coating
- Supplied with two keys
- Relatively small size may limit use to smaller locking tasks
- Not intended for high-security areas
Pros and cons
Pros
- High corrosion resistance
- Solid brass construction
- Suitable for outdoor and maritime use
- Protective plastic coating
- Supplied with two keys
Cons
- Relatively small size may limit use to smaller locking tasks
- Not intended for high-security areas
Pros
- High corrosion resistance
- Solid brass construction
- Suitable for outdoor and maritime use
- Protective plastic coating
- Supplied with two keys
Cons
- Relatively small size may limit use to smaller locking tasks
- Not intended for high-security areas
Specifications
- Item number (SKU): 400410510
- ETIM classification code: EC002221
- Dimension A: 33.0 mm
- Dimension B: 28.5 mm
- Dimension C: 19 mm
- Dimension D: 4.8 mm
- Dimension E: 16.2 mm
- Dimension F: 52.3 mm
- Thickness: 15 mm
- Shackle thickness: 4.8 mm
- Main material: Brass
- Number of keys: 2

The ABUS 37ST/55 Granit is a padlock designed to provide maximum resistance to both weather exposure and attempts at forced entry. The lock body and shackle are made of stainless and specially hardened steel, providing a high degree of protection against corrosion and mechanical impact.
The internal components are made of corrosion-free quality materials, making the lock suitable for outdoor environments where moisture and temperature fluctuations can be a challenge. It is therefore ideal for securing gates, containers, tool cabinets and other installations exposed to the elements.
The locking mechanism uses an ABUS Plus disc cylinder, offering up to 250,000 different key combinations. This design increases resistance to picking, forcing and drilling. The lock comes with two keys, one of which is equipped with an LED light for easier use in the dark.
The model belongs to security class 4 and can be included in systems with keyed alike or master key options, making it flexible for both private and commercial use.
- Material: Stainless and specially hardened steel for maximum strength and corrosion resistance.
- Locking mechanism: ABUS Plus disc cylinder with up to 250,000 key combinations.
- Security: High resistance to picking, forcing and drilling.
- Application: Suitable for outdoor use in demanding environments.
- Accessories: Supplied with two keys, one with built-in LED light.
Pros and cons
- Extremely robust construction in stainless and hardened steel
- High security class with advanced cylinder technology
- Suitable for outdoor use and corrosive environments
- Option for keyed alike or master key system
- Supplied with LED key for easy use in the dark
- The solid construction makes the lock relatively heavy
- The price is at the higher end compared to standard padlocks
Pros and cons
Pros
- Extremely robust construction in stainless and hardened steel
- High security class with advanced cylinder technology
- Suitable for outdoor use and corrosive environments
- Option for keyed alike or master key system
- Supplied with LED key for easy use in the dark
Cons
- The solid construction makes the lock relatively heavy
- The price is at the higher end compared to standard padlocks
Pros
- Extremely robust construction in stainless and hardened steel
- High security class with advanced cylinder technology
- Suitable for outdoor use and corrosive environments
- Option for keyed alike or master key system
- Supplied with LED key for easy use in the dark
Cons
- The solid construction makes the lock relatively heavy
- The price is at the higher end compared to standard padlocks
Specifications
- Manufacturer: ABUS
- Model: 37ST/55 Granit
- Security class: 4
- Material: Stainless and specially hardened steel
- Cylinder: ABUS Plus disc cylinder
- Number of key combinations: Up to 250,000
- Keys: 2 pcs. (one with LED light)
- Application: Outdoor and demanding environments
- SKU: 060025608

The ABUS 160 Combination Lock is constructed with a lock body in chrome-plated and polished steel, providing a smooth surface and good resistance to wear. The double regulation of the hardened shackle contributes to increased security and stability during use.
The lock uses a number combination system, where the user can set their own personal code. The 160/50 model, which this variant represents, has four number combination wheels, providing up to 10,000 possible combinations. This makes it suitable for places where several people need access without using a key.
The construction makes the lock suitable for many purposes, including locking cabinets, lockers in clubs, associations or other shared areas, where flexibility and easy operation are important. The combination can be changed as needed, increasing user-friendliness and security.
- Chrome-plated steel construction: Provides high strength and resistance to corrosion.
- Hardened shackle: Increases protection against break-ins and ensures long service life.
- Adjustable number combination: The user can choose and change the code themselves.
- Four number combination wheels: Provides up to 10,000 possible combinations.
- Suitable for shared use: Ideal for clubs, associations and shared facilities.
Pros and cons
- Solid construction in chrome-plated steel
- Option for personal number combination
- No need for a key
- Suitable for both private and shared use
- Combination locks can be slower to open than key locks
- Not intended for high-risk areas requiring maximum security
Pros and cons
Pros
- Solid construction in chrome-plated steel
- Option for personal number combination
- No need for a key
- Suitable for both private and shared use
Cons
- Combination locks can be slower to open than key locks
- Not intended for high-risk areas requiring maximum security
Pros
- Solid construction in chrome-plated steel
- Option for personal number combination
- No need for a key
- Suitable for both private and shared use
Cons
- Combination locks can be slower to open than key locks
- Not intended for high-risk areas requiring maximum security
Specifications
- Manufacturer: ABUS
- Model: 160/50
- Item number (SKU): 060020526
- ETIM classification code: EC002221
- Colour: Silver
- Material: Steel
- Shackle diameter (A): 7.5 mm
- Shackle height (B): 29 mm
- Lock body width (D): 53 mm
- Lock body height (E): 50 mm
- Shackle internal width (C): 25 mm
- Number of combination wheels: 4
- Number of combinations: 10,000
- Quantity per package: 1 pc
- Packaging unit: 6 pcs per carton
- Barcode: 060020526

The ABUS 37/55 GRANIT is a padlock constructed from chrome-plated and specially hardened steel, providing very high resistance to both physical attacks and weather exposure. Both the lock body and shackle are KTL-treated to ensure optimal corrosion protection, making the lock suitable for use in demanding environments.
The lock is equipped with an ABUS PLUS cylinder offering up to 250,000 different key combinations. This cylinder is developed to provide maximum protection against picking, forced entry and drilling, making it suitable for securing valuable items and areas.
With a tensile strength of over 6 tonnes and a double-sided key, both strength and ease of use are ensured. The lock body is also plastic-coated to protect against scratches and wear, extending the product’s lifespan and preserving its appearance.
The model can be integrated into keyed-alike and master key systems, making it flexible in professional and industrial contexts where multiple locks need to be operated with the same key.
- Chrome-plated and hardened steel: Provides high resistance to physical attacks.
- KTL treatment: Ensures maximum corrosion protection.
- ABUS PLUS cylinder: Up to 250,000 key combinations for increased security.
- Tensile strength over 6 tonnes: Robust construction for demanding applications.
- Plastic-coated lock body: Protects against scratches and wear.
Pros and cons
- Very high security class (class 3)
- Extremely robust construction in hardened steel
- Effective protection against corrosion and weather exposure
- Compatible with keyed-alike and master key systems
- Long lifespan and low maintenance
- The solid construction makes the lock relatively heavy
- May be oversized for lighter security tasks
Pros and cons
Pros
- Very high security class (class 3)
- Extremely robust construction in hardened steel
- Effective protection against corrosion and weather exposure
- Compatible with keyed-alike and master key systems
- Long lifespan and low maintenance
Cons
- The solid construction makes the lock relatively heavy
- May be oversized for lighter security tasks
Pros
- Very high security class (class 3)
- Extremely robust construction in hardened steel
- Effective protection against corrosion and weather exposure
- Compatible with keyed-alike and master key systems
- Long lifespan and low maintenance
Cons
- The solid construction makes the lock relatively heavy
- May be oversized for lighter security tasks
Specifications
- Manufacturer: ABUS
- Model: 37/55 GRANIT
- Security class: 3
- Material: Chrome-plated and specially hardened steel
- Surface treatment: KTL-treated against corrosion
- Cylinder: ABUS PLUS with 250,000 key combinations
- Tensile strength: Over 6 tonnes
- Key type: Double-sided key
- Surface: Plastic-coated lock body
- SKU: 060020682

The TravelSafe Padlock With Combination Lock is designed to secure your luggage in a simple and effective way. The lock is Travel Sentry Approved (TSA), which means that customs authorities can open and close it with a special key without damaging the lock or your suitcase.
The compact construction makes it suitable for suitcases, bags and backpacks, and the built-in combination lock eliminates the need for keys. The combination of plastic and aluminium provides a balance between low weight and durability, making it practical for travel use.
With its modest dimensions of 6 cm in length and 3 cm in width, it takes up minimal space but still provides a reliable locking mechanism to protect your belongings during transport.
- TSA-approved: Can be opened by customs authorities without being damaged.
- Compact design: Lightweight and easy to carry in a suitcase or bag.
- Combination lock: No need for keys – access via personal code.
- Durable materials: Made of plastic and aluminium for low weight and strength.
Pros and cons
- TSA-approved for hassle-free customs inspection
- Lightweight and compact construction
- Combination lock eliminates the need for keys
- Suitable for most types of luggage
- Plastic parts may be less robust than all-metal locks
- Limited size makes it best suited for smaller zips and bags
Pros and cons
Pros
- TSA-approved for hassle-free customs inspection
- Lightweight and compact construction
- Combination lock eliminates the need for keys
- Suitable for most types of luggage
Cons
- Plastic parts may be less robust than all-metal locks
- Limited size makes it best suited for smaller zips and bags
Pros
- TSA-approved for hassle-free customs inspection
- Lightweight and compact construction
- Combination lock eliminates the need for keys
- Suitable for most types of luggage
Cons
- Plastic parts may be less robust than all-metal locks
- Limited size makes it best suited for smaller zips and bags
Specifications
- Brand: TravelSafe
- Length: 6 cm
- Width: 3 cm
- Weight: 61 g
- Material: Plastic and aluminium
- Approval: Travel Sentry Approved (TSA)

The ABUS GRANIT XPlus U-Lock 540 is a padlock developed to provide high resistance against theft attempts. The lock is made of specially hardened steel, making it particularly resistant to impact and attempts to break it open.
It uses ABUS’s XPlus cylinder, which is designed to provide extra protection against tampering and picking. The lock is equipped with a keyhole cover that protects against dirt and moisture and comes with a key.
With a security level of 15 out of 15, this model is suitable for use in areas with a high risk of bicycle theft. The solid shackle and compact shape make it easy to transport and use in everyday life.
- Hardened steel: Provides high resistance to physical attacks.
- XPlus cylinder: Enhanced protection against tampering and picking.
- Security level 15: ABUS’s highest classification for bicycle locks.
- Keyhole cover: Protects the locking mechanism from dirt and moisture.
- Designed for bicycles: Ideal for securing the frame and wheels.
Pros and cons
- Very high security classification
- Robust construction in hardened steel
- Advanced lock cylinder with high resistance to tampering
- Comes with key and keyhole cover
- Relatively heavy compared to lighter cable locks
- May require additional mounting for convenient transport on the bike
Pros and cons
Pros
- Very high security classification
- Robust construction in hardened steel
- Advanced lock cylinder with high resistance to tampering
- Comes with key and keyhole cover
Cons
- Relatively heavy compared to lighter cable locks
- May require additional mounting for convenient transport on the bike
Pros
- Very high security classification
- Robust construction in hardened steel
- Advanced lock cylinder with high resistance to tampering
- Comes with key and keyhole cover
Cons
- Relatively heavy compared to lighter cable locks
- May require additional mounting for convenient transport on the bike
Specifications
- Manufacturer: ABUS
- Model: 11186
- Item number: 3075651
- EAN: 4003318111860
- Product type: Padlock - key
- Material: Hardened steel
- Colour: Black
- Designed for: Bicycles
- Features: Keyhole cover, security level 15
- Width: 108 mm
- Height: 230 mm
- Diameter: 17 mm
- Weight: 1.65 kg

