Padlock application: for indoor and outdoor use; covered laminated steel padlock is best used for storage units, sheds, Garages, fences and more. Dual-armour protection: small padlock has a laminated steel core with a weather resistant cover that protects against snow, Rain, dirt, Mud, grime and salt. High security application: lock has a 4-pin cylinder for increased pick resistance and a tough-cut octagonal boron-carbide shackle that is 50% harder than hardened steel. Durable design: covered laminated steel padlock has dual ball bearing locking for maximum Pry resistance and a covered keyway and shackle seals for added weather protection. Specifications: (H x W x D) 5, 8 x 4, 9 x 2, 7 cm; shackle (H x W x D) 3, 8 x 2 x 0, 8 cm; 3 keyed alike Padlocks; 4 keys. Limited lifetime guarantee, Weight: 1.72621951146 pounds, Manufacturer: Master Lock