Padlock Is a detachable Lock Passed By An Opening With U-shaped Shackle Used To Protect Against Unauthorized Or Unwanted Stealing. Provided With Latest Locking Mechanism Used To Lock The Different Devices. KRM LOTO SAFETY PADLOCK ---"seamless" lock structure durability-Key system: DIFFER KEY, ALIKE KEY, MASTER & DIFFER KEY. Brass Body Padlock with brass cylinder and 6 pin tumbler. Key retaining-ensures that padlock is not left unlocked. Two layer nickel plated brass keys. Hardened Steel Shackle. Key system: DIFFER KEY, ALIKE KEY, MASTER & DIFFER KEY.