Master Lock

Discover a versatile selection of premium security solutions from Master Lock, a global leader in safety and security products. From modern, innovative designs to timeless classics, Master Lock offers solutions tailored to protect your valuables at home, on the go, or at work.

Whether you’re seeking a robust padlock for your outdoor shed, a portable combination lock for travel, or a sleek and secure key safe for easy access, Master Lock has the perfect match for your needs. Choose from bold, heavy-duty designs that make a statement or subtle, streamlined options that prioritize function without compromising style.

Find the ideal security solution with Master Lock—your trusted partner in safeguarding what matters most.

Master Lock

237 products


  • Master Lock Griptight Standard Circuit Breaker Lockout

    Master Lock Master Lock Griptight Standard Circuit Breaker Lockout

    20 in stock

    Master Lock Grip Tight™ circuit breaker lock outs not only have a narrow profile for side-by-side lock out, they also have a secure and simple mounting for a solid lock out. The body is made from hardened steel.Master Lock Grip Tight™ circuit breaker lock outs not only have a narrow profile for side-by-side lock out, they also have a secure and simple mounting for a solid lock out. The body is made from hardened steel. Suitable for standard breaker toggles. Secure and simple mounting for solid lock-out.

    20 in stock

    £11.99

  • Master Lock Griptight Large Circuit Breaker Lockout

    Master Lock Master Lock Griptight Large Circuit Breaker Lockout

    20 in stock

    Master Lock Grip Tight™ circuit breaker lock outs not only have a narrow profile for side-by-side lock out, they also have a secure and simple mounting for a solid lock out. The body is made from hardened steel.

    20 in stock

    £12.49

  • Master Lock Lockout Gate Valve Cover 101-165Mm (6-6.5In)

    Master Lock Master Lock Lockout Gate Valve Cover 101-165Mm (6-6.5In)

    20 in stock

    The Master Lock Lockout Gate Valve Cover has Zenex™ composite body, which withstands chemicals and extreme temperatures ranging from -57 ° C to +177 ° C. The cover completely surrounds the valve handle to prevent accidental operation. The unique patented rotating design allows for easier installation in confined spaces and insulated pipes. The Centre knockout can be removed for rising stem gate valves. Device can be locked with up to 2 padlocks. 'Danger DO NOT OPERATE' label supplied.Can lock valve sizes 150-165mm (6-6 1/2 in).

    20 in stock

    £32.49

  • Last stock! Master Lock Lockout Gate Valve Cover 50-125Mm (2-5In)

    Master Lock Master Lock Lockout Gate Valve Cover 50-125Mm (2-5In)

    3 in stock

    The Master Lock Lockout Gate Valve Cover has Zenex™ composite body, which withstands chemicals and extreme temperatures ranging from -57 ° C to +177 ° C. The cover completely surrounds the valve handle to prevent accidental operation. The unique patented rotating design allows for easier installation in confined spaces and insulated pipes. The Centre knockout can be removed for rising stem gate valves. Device can be locked with up to 2 padlocks. 'Danger DO NOT OPERATE' label supplied.Can lock valve sizes 50-125mm (2-5 in).

    3 in stock

    £23.49

  • Last stock! Master Lock Lockout Gate Valve Cover 25-75Mm (1-3In)

    Master Lock Master Lock Lockout Gate Valve Cover 25-75Mm (1-3In)

    5 in stock

    The Master Lock Lockout Gate Valve Cover has Zenex™ composite body, which withstands chemicals and extreme temperatures ranging from -57 ° C to +177 ° C. The cover completely surrounds the valve handle to prevent accidental operation. The unique patented rotating design allows for easier installation in confined spaces and insulated pipes. The Centre knockout can be removed for rising stem gate valves. Device can be locked with up to 2 padlocks. 'Danger DO NOT OPERATE' label supplied.Can lock valve sizes 25-75mm (1-3 in).

    5 in stock

    £16.99

  • Master Lock Two Padlock Lockout Hasp - 4Mm Shackle

    Master Lock Master Lock Two Padlock Lockout Hasp - 4Mm Shackle

    20 in stock

    Masterlock’s range of electrical Lock out hasps are practical, flexible and hard wearing and used when multiple numbers of workers are operating in the area. They can be used in a variety of locations for a broad range of lockout tasks. The Masterlock Zenex™ body Two Padlock Lockout Hasp has a 4mm Shackle and enables lock-out by up to 2 padlocks to keep the equipment inoperative while repairs or adjustments are made. The Zenex™ composite withstands extreme temperatures and chemicals and is UV-stable. Ideal for electrical circuit breakers. Maximum shackle diameter: 6mm.

    20 in stock

    £9.49

  • Master Lock Lockout Nylon Hasp - Non Conductive

    Master Lock Master Lock Lockout Nylon Hasp - Non Conductive

    20 in stock

    Masterlock’s range of electrical Lockout hasps are practical, flexible and hard wearing and used when multiple numbers of workers are operating in the area. They can be used in a variety of locations for a broad range of lockout tasks. This non-conductive Lockout Nylon Hasp enables lock-out by multiple workers (up to 6 padlocks) to keep the equipment inoperative while repairs or adjustments are made.The nylon body and jaw are non-conductive, and the hasp provides dielectric protection. It is non-sparking and ideal for electrical applications. Max shackle diameter: 6.35mm. Dimensions: 41mm x 174mm.

    20 in stock

    £8.99

  • Master Lock Snap-On Hasp Lockout Labelled

    Master Lock Master Lock Snap-On Hasp Lockout Labelled

    20 in stock

    Masterlock’s range of electrical Lockout hasps are practical, flexible and hard wearing and used when multiple numbers of workers are operating in the area. They can be used in a variety of locations for a broad range of lockout tasks. This Labelled Snap-on Lockout/Tagout Hasp enables lock-out by multiple workers (up to 5 padlocks) to keep the equipment inoperative while repairs or adjustments are made. It is made from anodised aluminium and stainless steel and has a spring-loaded jaw. Includes label for easy identification.

    20 in stock

    £18.49

  • Master Lock Lockout Standard Hasp 25Mm Steel Red

    Master Lock Master Lock Lockout Standard Hasp 25Mm Steel Red

    20 in stock

    Masterlock’s range of electrical Lock out hasps are practical, flexible and hard wearing and used when multiple numbers of workers are operating in the area. They can be used in a variety of locations for a broad range of lockout tasks. This Steel Red Lockout Hasp enables lock-out by multiple workers to keep the equipment inoperative while repairs or adjustments are made. It has a steel body with vinyl coated handle, and can hold up to 6 padlocks. Max shackle diameter: 6.35mm. Jaw diameter: 25mm. Dimensions: 44mm x 114mm

    20 in stock

    £10.99

  • Master Lock Lockout Padlock _ 38Mm Body & 6Mm Composite Nylon Shackle

    Master Lock Master Lock Lockout Padlock _ 38Mm Body & 6Mm Composite Nylon Shackle

    20 in stock

    The Masterlock Zenex™ Lockout non-conductive padlocks have dielectric protection and are non-sparking, with either a composite nylon, hardened steel or stainless steel shackle. They are the optimal safety padlock, designed exclusively for a Lockout/Tagout system. They are durable, standardised, substantial and identifiable for OSHA 1910.147 compliance. The lockout padlock has a Zenex™, UV stable composite body and 6mm diameter composite nylon or 4.76mm stainless steel shackle, it is corrosion and chemical resistant and can withstand temperatures ranging from -57 ° C to +177 ° C. The body sides and faces can be laser-engraved for permanent identification. Includes 'Danger' and 'Property of' padlock labels. Key retaining, supplied with a single key.Dimensions:Body: 38 x 44mm.Plastic Shackle: 38mm x 20mm clearance.

    20 in stock

    £19.49

  • Master Lock Lockout Padlock _ 38Mm Body & 6Mm Hardened Steel Shackle

    Master Lock Master Lock Lockout Padlock _ 38Mm Body & 6Mm Hardened Steel Shackle

    20 in stock

    The Masterlock Zenex™ Lockout non-conductive padlocks have dielectric protection and are non-sparking, with either a composite nylon, hardened steel or stainless steel shackle. They are the optimal safety padlock, designed exclusively for a Lockout/Tagout system. They are durable, standardised, substantial and identifiable for OSHA 1910.147 compliance. The lockout padlock has a Zenex™, UV stable composite body and 6mm diameter composite nylon or 4.76mm stainless steel shackle, it is corrosion and chemical resistant and can withstand temperatures ranging from -57 ° C to +177 ° C. The body sides and faces can be laser-engraved for permanent identification. Includes 'Danger' and 'Property of' padlock labels. Key retaining, supplied with a single key.Dimensions:Body: 38 x 44mm.Shackle: 38mm length x 20mm clearance.

    20 in stock

    £18.99

  • Master Lock Lockout Padlock _ 35Mm Body & 4.76Mm Stainless Steel Shackle

    Master Lock Master Lock Lockout Padlock _ 35Mm Body & 4.76Mm Stainless Steel Shackle

    The Masterlock Zenex™ Lockout non-conductive padlocks have dielectric protection and are non-sparking, with either a composite nylon, hardened steel or stainless steel shackle. They are the optimal safety padlock, designed exclusively for a Lockout/Tagout system. They are durable, standardised, substantial and identifiable for OSHA 1910.147 compliance. The lockout padlock has a Zenex™, UV stable composite body and 6mm diameter composite nylon or 4.76mm stainless steel shackle, it is corrosion and chemical resistant and can withstand temperatures ranging from -57 ° C to +177 ° C. The body sides and faces can be laser-engraved for permanent identification. Includes 'Danger' and 'Property of' padlock labels. Key retaining, supplied with a single key.Stainless steel shackle

    £17.99

  • Master Lock Lockout Padlock _ Keyed Alike 35Mm Body & 4.76Mm Stainless Steel Shackle

    Master Lock Master Lock Lockout Padlock _ Keyed Alike 35Mm Body & 4.76Mm Stainless Steel Shackle

    20 in stock

    The Masterlock Zenex™ Lockout non-conductive padlocks have dielectric protection and are non-sparking, with either a composite nylon, hardened steel or stainless steel shackle. They are the optimal safety padlock, designed exclusively for a Lockout/Tagout system. They are durable, standardised, substantial and identifiable for OSHA 1910.147 compliance. The lockout padlock has a Zenex™, UV stable composite body and 6mm diameter composite nylon or 4.76mm stainless steel shackle, it is corrosion and chemical resistant and can withstand temperatures ranging from -57 ° C to +177 ° C. The body sides and faces can be laser-engraved for permanent identification. Includes 'Danger' and 'Property of' padlock labels. Key retaining, supplied with a single key.Dimensions: Body: 35 x 48mm. Shackle: 38mm x 16mm clearance. Keyed Alike.

    20 in stock

    £18.99

  • Master Lock Lockout Universal Ball Valve

    Master Lock Master Lock Lockout Universal Ball Valve

    This Masterlock Universal Ball Valve Lockout fits into virtually all manual, quarter-turn ball valve handles to protect against accidental valve opening. It attaches to handle to prevent movement. The lockout is suitable for confined spaces and insulated pipes. Its ergonomic shape optimises tightening on the valve. It has an Aluminium and Steel body, and a Steel pin which fits behind the valve stopper tab. Adjustable jaws hold the valve in position. The Lockout's constrction withstands corrosive environments and extreme conditions, and is heat resistant up to 538°C.

    £56.49

  • Last stock! Master Lock S2394 Universal Mini Circuit Breaker Lockout Device

    Master Lock Master Lock S2394 Universal Mini Circuit Breaker Lockout Device

    5 in stock

    The Master Lock S2394 Universal Mini Circuit Breaker Lockout Device locks virtually all miniature ISO/DIN pin-out circuit breakers throughout the world. The patented device features a thumb turn dial screw for easy attachment, no tools required. Device attaches to circuit breaker and makes dial inaccessible in the locked position to prevent removal. Padlock can be applied horizontally or vertically and design allows device to be mounted side-by-side on adjacent breakers. Device works with all American Lock® and Master Lock® safety padlocks and lockout hasps (does not include ALO80 or ALO802).

    5 in stock

    £15.99

  • Last stock! Master Lock Lockout Pin-In External Access Circuit Breaker

    Master Lock Master Lock Lockout Pin-In External Access Circuit Breaker

    5 in stock

    This Masterlock 5mm x 11mm Lockout Pin-in External Access Circuit Breaker is placed on the toggle of the breaker.It is used to interrupt power supply at the source.Fast and easy to use. No tools required. Suitable for use on standard toggles.

    5 in stock

    £9.99

  • Master Lock Lockout Mini Circuit Breaker Over 11Mm

    Master Lock Master Lock Lockout Mini Circuit Breaker Over 11Mm

    20 in stock

    This Masterlock Mini Circuit Breaker lockout device is placed on the toggle of the power supply, locking it out whilst works are carried out. Fast and easy to use. No tools required. Suitable for use with wide toggles with openings more than 11mm.

    20 in stock

    £9.99

  • Master Lock Lockout Mini Circuit Breaker Under 11Mm

    Master Lock Master Lock Lockout Mini Circuit Breaker Under 11Mm

    20 in stock

    This Masterlock Mini Circuit Breaker lockout device is placed on the toggle of the power supply, locking it out whilst works are carried out. Fast and easy to use. No tools required. Suitable for standard toggles with openings less than 11mm.

    20 in stock

    £9.99

  • Last stock! Master Lock S1010 Lockout Compact Pouch Only

    Master Lock Master Lock S1010 Lockout Compact Pouch Only

    4 in stock

    The Master Lock S1010 Lockout Compact Pouch combines and organises commonly used electrical and valve lockout devices. It has a single compartment lightweight pouch and is supplied with a hook and loop belt loop.

    4 in stock

    £20.99

  • Last stock! Master Lock Portable Digital Safe With Cable

    Master Lock Master Lock Portable Digital Safe With Cable

    5 in stock

    The Master Lock Compact Safe is the perfect solution for 'on-the-go' security. It is ideal for cars, trucks, dorms, campers and boats, or trips to the beach. It is designed to secure cell phones, wallets, keys, iPods, GPS units and other compact but expensive items that are especially vulnerable to theft. The safe has a programmable digital lock which comes with an override key, making entry into the safe secure yet simple. For added safety, it has an all-steel construction and a steel tethering cable. The soft interior lining protects contents from scratching and damage. Requires 4 x AA batteries (not included). Specification Exterior Dimensions: 74 x 254 x 201mm.Interior Dimensions: 48 x 249 x 180mm.Interior Volume: 2.17 Litre.Weight: 1.5kg.

    5 in stock

    £50.49

  • Last stock! Master Lock Compact Biometric Safe

    Master Lock Master Lock Compact Biometric Safe

    2 in stock

    The Master Lock Compact Biometric Safe offers protection as unique as your fingerprint. It offers 3 ways to access your safe: fingerprint, key and combination. Making it ideal for reliable shared access. The reader can be set with two programmed fingerprints and allows quick single-handed access. The safe is reinforced with heavy-duty 12 gauge solid steel construction. Specifically designed with a pry-resistant door that helps prevent unauthorised access to your valuables. Specification Dimensions (HxWxD): External: 8.1 x 30.7 x 25.1cm, Internal: 5.6 x 24.6 x 17cm.

    2 in stock

    £277.49

  • Last stock! Master Lock Excell Chrome Plated Padlock 54Mm

    Master Lock Master Lock Excell Chrome Plated Padlock 54Mm

    3 in stock

    The Master Lock Excell™ Chrome Plated Padlocks delivers unprecedented security in a retail padlock including tough cut patented octagonal boron carbide shackles, which are 50% tougher to cut than hardened steel, dual ball bearing locking mechanisms for maximum pry resistance and a complete range of body types and finishes for the broadest range of applications. These solid body padlocks have a chrome plated finish for weather resilience. The snap on cap covers the key way to prevent dust and grime getting into the cylinder. All Master Lock Excell™ padlocks are supplied with 4 keys and a Lifetime Warranty against mechanical failure. Suggested uses: gates, sheds, storage units, fences, containers and chainsThe Master Lock M830EURDLH has the following specifications:54mm Excell™ chrome plated solid steel padlock - 51mm Octagonal boron carbide shackle, 9mm diameter - 5-pin tumbler cylinder - dual ball bearing locking

    3 in stock

    £36.49

  • Master Lock Excell Laminated Steel 50Mm Padlock - 38Mm Shackle - Keyed Alike X 3

    Master Lock Master Lock Excell Laminated Steel 50Mm Padlock - 38Mm Shackle - Keyed Alike X 3

    20 in stock

    The Master Lock Excell™ Laminated Steel Padlocks are made with cutting edge technology to deliver unprecedented security. They feature tough cut patented octagonal boron carbide shackles which are 50% tougher to cut than hardened steel, and dual ball bearing locking mechanisms for maximum pry resistance. The laminated steel padlocks are built for strength, with stainless steel and zinc outer components for exceptional weather resistance. They have either a precision 4-pin or 5-pin cylinder and recessed rivets that are chisel resistant. Supplied with 4 keys and a Lifetime Warranty against mechanical failure. Suggested uses: gates, sheds, storage units, fences, containers and chains.The Master Lock M5EURTRILF has the following specifications: 3 x 50mm Excell™ laminated steel padlocks - 38mm Octagonal boron carbide long shackle, 9mm diameter - 4-pin tumbler cylinder - dual ball bearing locking - keyed alike

    20 in stock

    £52.49

  • Master Lock Excell Laminated Steel 50Mm Padlock - 25Mm Shackle - Keyed Alike X 2

    Master Lock Master Lock Excell Laminated Steel 50Mm Padlock - 25Mm Shackle - Keyed Alike X 2

    15 in stock

    The Master Lock Excell™ Laminated Steel Padlocks are made with cutting edge technology to deliver unprecedented security. They feature tough cut patented octagonal boron carbide shackles which are 50% tougher to cut than hardened steel, and dual ball bearing locking mechanisms for maximum pry resistance. The laminated steel padlocks are built for strength, with stainless steel and zinc outer components for exceptional weather resistance. They have either a precision 4-pin or 5-pin cylinder and recessed rivets that are chisel resistant. Supplied with 4 keys and a Lifetime Warranty against mechanical failure. Suggested uses: gates, sheds, storage units, fences, containers and chains.

    15 in stock

    £33.49

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