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This 2in (51mm) solid brass Master Lock 176LH Combination Padlock offers superior security and weatherability. Its hardened steel shackle is 5/16in...

Master Lock 178BLK Combination Padlock 2" combination padlock zinc die-cast body black finish double locking hardened steel shackle 4 dials on the...

Master Lock 178D Combination Padlock retail carded packaging 2" combination padlock zinc die-cast body black finish double locking hardened steel ...

Master Lock 1LF Laminated Steel Padlock double locking hardened steel shackle solid brass, 4-pin cylinder double commercial gray bumpers are sta...

Master Lock 1LJ Laminated Steel Padlock double locking hardened steel shackle solid brass, 4-pin cylinder double commercial gray bumpers are sta...

Master Lock 1LN padlocks are scheduled to be discontinued and limited stock is available keyed alike Master Lock 1LN Laminated Steel Padlock doubl...

The Master Lock No. 2 Laminated Brass Padlock is designed to provide maximum security in marine and hostile environments; its brass body offers exc...

The Master Lock No. 21 Laminated Steel Padlock guarantees maximum security with its reinforced laminated steel lock body and hardened steel shackle...

The Master Lock No. 21LF Laminated Steel Padlock offers superior strength and security with its reinforced laminated steel lock body and hardened s...

The Master Lock No. 21LJ Laminated Steel Padlock is ideal for industrial applications, offering dual ball bearings locking for maximum pry resistan...

Master Lock 22 Warded Padlock rugged laminated steel construction warded single locking lever mechanism minimizes jamming from dirt and grime avai...

The Master Lock No. 25 Laminated Steel Padlock offers superior security and pry resistance, thanks to its reinforced body and hardened steel shackl...

The Master Lock No. 25LF Laminated Steel Padlock is a cut-resistant and extra-strong padlock with dual ball bearing locking and a 5-pin W27 cylinde...

The Master Lock 25LJ Laminated Steel Padlock offers superior security with its reinforced laminated steel lock body, 2-1/2in shackle, and dual ball...

Replacement Cylinders for Master Pro Series Padlocks including models 6121, 6125, 6127, 6230, 6321, 6325, 6327, 6830, 6835, 6840, 6850, 7030, 7035,...

The Master Lock No. 2B Laminated Brass Padlock is designed for optimum security and corrosion resistance. Its brass body is 1-3/4" wide and offers ...

The Master Lock No. 2KA Laminated Brass Padlock, Keyed Alike – multiple locks open with the same key - features a 1-3/4in (44mm) wide laminated bra...

The Master Lock No. 2KAB Laminated Brass Padlock is designed for optimum security and corrosion resistance. Its brass body is 1-3/4" wide and offer...

The Master Lock No. 2LF Laminated Brass Padlock is designed to provide maximum security in marine and hostile environments; its brass body offers e...

The Master Lock No. 2LJ Laminated Brass Padlock is designed to provide maximum security in marine and hostile environments; its brass body offers e...

Master Lock 3 Laminated Steel Padlock double locking hardened steel shackle solid brass, 4-pin cylinder double commercial gray bumpers model 3 pa...

SAFETY LOCKOUT PADLOCKS COMPARISON Master Lock Model 3 Safety Lockout Padlock one key included per padlock  1-9/16" laminated steel lock double...

SAFETY LOCKOUT PADLOCKS COMPARISONMaster Lock Model 3 Laminated Steel Padlock one key included per padlock 1-9/16" laminated steel lock double ...

Master Lock 311 All Weather Padlock laminated steel padlock, 1-9/16" wide including black PVC coating 9/32" hardened steel shackle  weather resist...

Master Lock 311LH All Weather Padlock laminated steel padlock, 1-9/16" wide 9/32" hardened steel shackle 2" vertical shackle clearance black weath...

The Master Lock No. 312 Covered Laminated Padlock combines the strength of a 1-9/16in (40mm) wide laminated steel body and 1in (25mm) hardened stee...

The Master Lock No. 312LH All Weather Padlock provides superior strength with its 1-9/16in (40mm) wide laminated steel body and high cut resistance...

Master Lock's No. 315 Covered Laminated Padlock delivers industrial-grade security. The 1-9/16" laminated steel body provides exceptional strength,...

The Master Lock No. 315LH All Weather Padlock provides superior strength with its 1-9/16in (40mm) wide laminated steel body and high cut resistance...

Master Lock 3630 Multi-User Mechanical Built-In locker combination lock is designed for Lift Handle Lockers Hinged on the Right. Important: The Mas...

Master Lock 3631 Multi-User Mechanical Built-In locker combination lock is designed for Lift Handle Lockers Hinged on the Left. Important: The Mast...

Master Lock 3670 Multi-User Mechanical Built-In locker combination lock is designed for Lift Handle Lockers & Single Point Latch Lockers - Manu...

The Master Lock No. 37 Laminated Steel Padlock features a 1-9/16in (40mm) wide shrouded laminated steel body for extra strength and a shackle guard...

Master Lock 377DAT Trailer Coupler Lock fits 1-7/8" & 2" couplers adjusts to fit many makes and models uses number 1 key blank available keyed...

Master Lock 378DAT Trailer Coupler Lock fits 2-5/16" couplers adjusts to fit many makes and models only available keyed differently 2 keys included

Master Lock 379ATPY Trailer Coupler Lock Universal trailer coupler lock fits 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) couplers advance...

Master Lock 379DAT Trailer Coupler Lock Universal trailer coupler lock fits 1-7/8in (48mm), 2in (51mm) and most 2-5/16in (59mm) couplers advanced...

Master Lock 387 king pin lock secures the king pin of semi-trailers, RVs and other fifth wheel trailers to prevent theft and deter break-in's. The ...

Master Lock 3LF Laminated Steel Padlock double locking hardened steel shackle solid brass, 4-pin cylinder double commercial gray bumpers model 3L...

SAFETY LOCKOUT PADLOCKS COMPARISON Master Lock Model 3LF Safety Lockout Padlock one key included per padlock  1-9/16" laminated steel lock doub...

SAFETY LOCKOUT PADLOCKS COMPARISON Master Lock Model 3LF Safety Lockout Padlock one key included per padlock  1-9/16" laminated steel lock dou...

Master Lock 3LH Laminated Steel Padlock double locking hardened steel shackle solid brass, 4-pin cylinder double commercial gray bumpers model 3L...

SAFETY LOCKOUT PADLOCKS COMPARISON Master Lock Model 3LH Safety Lockout Padlock one key included per padlock  1-9/16" laminated steel lock doub...

SAFETY LOCKOUT PADLOCKS COMPARISON Master Lock Model 3LH Safety Lockout Padlock one key included per padlock  1-9/16" laminated steel lock dou...

The Master Lock 4 Laminated Brass Padlock offers maximum strength and corrosion resistance with its 1-9/16in wide laminated brass body. Its 9/32in ...

Master Lock Model 406 Safety Lockout Padlock 1 key included per padlock W401/W417 Safety Exclusive Keyway. The restricted keyway ensures duplicate...

Master Lock model 40DPF Discus Padlock stainless steel body low profile, hardened shackle 4-pin cylinder available keyed differently and keyed ali...