The Master Lock commercial Magnum no. M5XLJ laminated steel padlock with stainless steel body cover, keyed alike - multiple locks open with the same key - features a 2 in. (51 mm) wide laminated steel body encased in a stainless steel body cover for maximum strength and weatherability. The 3/8 in. (8 mm) diameter octagonal shackle is 2-1/2 in. (64 mm) long and made of chrome-plated 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. Commercial Magnum offers a higher level of weatherability and security for applications in outdoor, corrosive and caustic environments. • Magnum; choice of professionals • Tough-Cut; octagonal boron-carbide shackle is 50% harder than hardened steel • 2.5-in (64 mm) shackle clearance for more uses • Dual-Armor protection: 2-in (51 mm) laminated steel core for strength surrounded by stainless steel and zinc outer components for weather resistance • Dual ball bearing locking for maximum pry resistance • Reinforced body bumper for scratch resistance • 4-Pin cylinder for increased pick resistance • Chisel-resistant recessed rivets • Same key opens both locks UPC: 071649233258 Weight: 0.57 lbs RKU: LOW363536