The Master Lock Magnum M5XTLF laminated padlocks with keys feature a 2 in. (51 mm) wide laminated steel body for maximum strength and reliability, and is surrounded by stainless steel and zinc outer components for weather resistance. The 3/8 in. (10 mm) diameter octagonal shackle is 1-1/2 in. (38 mm) long and made of Tough-Cut boron-carbide, 50% harder than hardened steel, offering maximum resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking ball bearings provide maximum resistance against prying and hammering. The lifetime guarantee provides peace of mind from a brand you know and can trust. • Outdoor lock; heavy duty padlock with key is best used for outdoor storage and fences, self-storage units and lockers, tools, job boxes and more • Key lock features dual armor construction: laminated steel lock body surrounded by stainless steel and zinc outer components and Tough-Cut octagonal boron-carbide shackle is 50% harder than hardened steel • 4-Pin cylinder and dual ball bearing locking for increased pick and pry resistance; covered keyway and shackle for added weather protection • 2 in (51 mm) wide lock body; 3/8 in (10 mm) diameter shackle with 1-1/2 in (38 mm) length, 15/16 in (24 mm) width; extended shackle for application flexibility • Includes two padlocks with two keys; both keys open all locks UPC: 071649132179 Weight: 1.63 lbs RKU: LOW310450