The Master Lock Magnum M5XQLF laminated padlock features 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. • Indoor and outdoor padlock; maximum security padlock with Tough-Cut octagonal boron-carbide shackle is best used as a gate lock, shed lock, and storage locker lock • Key lock features Dual-Armor construction: laminated steel core for strength surrounded by stainless steel and zinc outer components for weather resistance; reinforced body bumper for scratch resistance • Four-pin cylinder and dual ball bearing locking mechanism provides maximum pick and pry resistance; Tough-Cut octagonal boron-carbide shackle is 50% harder than hardened steel • 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 • Four padlocks, two keys; both keys open all locks UPC: 071649132162 Weight: 1.75 lbs RKU: LOW310452