Multiple padlock applications: For indoor and outdoor use; stainless steel discus padlock is ideal used for self storage units, sheds, trailers, moving trucks, vans and more Durable design: padlock has a stainless steel body construction and covered keyway for maximum weather resistance, and a reinforced body bumper for scratch resistance High security lock: Lock has a four-pin cylinder for increased pick resistance and key retaining feature ensures padlock is not left unlocked High security shackle: Tough-Cut octagonal boron-carbide shackle that is 50 percent harder than hardened steel and fully shrouded design minimizes shackle exposure and protects against bolt cutter attacks Specifications: padlock dimensions (W x D) 7 x 3 cm ; shackle (A x B x C) 1 x 1.6 x 2.1 cm ; two padlocks; four keys bullet_point#6.value: Limited lifetime guarantee, Weight: 1.2676580065 pounds, Manufacturer: Master Lock