Padlock application: for indoor and outdoor use; covered laminated steel padlock is best used for storage units, sheds, Garages, fences and more. Dual-armor 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) 11 x 5, 4 x 3, 1 cm; shackle (H x W x D) 5, 1 x 2, 4 x 1 cm; 1 padlock; 4 keys., Weight: 0.84437046346 Pounds, Manufacturer: Master Lock