Master Lock Laminated Steel Padlock Series

The Master Lock Number 3MK Laminated Steel Padlock, Master keyed - a master key opens all the locks in the system although each lock has its own unique key - features a 1-9/16 in. W (41 mm) reinforced laminated steel body with black bumper and a 3/4 in. tall (19 mm), 9/32 in. Dia (7 mm) shackle. Ideal for environments where lock is subjected to physical abuse, the 4-pin tumbler cylinder provides security. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.|Number 3 reinforced laminated steel safety padlock|Ideal when locks may be subjected to physical abuse|1-9/16 in. W (40 mm) lock body|9/32 in. Dia (7 mm) shackle with 3/4 in. (19 mm) high clearance|Master keyed 4-pin tumbler cylinder