Multiple padlock applications: for indoor and outdoor use; stainless steel padlock is best used for Self storage units, sheds, trailers, moving trucks, vans and more. Durable design: covered keyway for maximum weather protection and reinforced body bumper for scratch resistance. High security lock: Lock has a 5-pin cylinder and ball bearing locking for maximum pry resistance. High security shackle: tough-cut octagonal boron-carbide shackle that is 50% harder than hardened steel. Specifications: padlock dimensions (W x H x D) 5, 4 x 11 x 3 cm; shackle dimensions (a x B x C) 1 x 5, 1 x 2 cm; 1 padlock; 4 keys., Weight: 0.83334735036 pounds, Manufacturer: Master Lock