APPLICATION: Indoor and outdoor padlock is best used as a school locker lock, gym lock, or gate lock, providing protection and security from theft TRUSTED DURABILITY: Key lock features a laminated steel body and a hardened steel shackle for strength and security PICK RESISTANT: The keyed alike padlocks have a 4-Pin cylinder for added pick resistance and dual ball bearing locking for maximum pry resistance LAMINATED FINISH: The padlock has a laminated stainless steel finish for weather-resistant durability MEASUREMENTS: 1-3/4 in. (44 mm) wide lock body; 5/16 in. (8 mm) diameter shackle with 2-1/2 in. (64 mm) length, 3/4 in. (19 mm) width; Extended shackle length for application flexibility THREE-PACK: Includes three padlocks for outdoor use with two keys, and both keys open all three locks, Weight: 1.8 pounds, Manufacturer: Master Lock