The Master Lock Magnum No. M1XQLF Laminated Padlocks feature a 1-3/4in (44mm) wide laminated steel body for maximum strength and reliability, and is surrounded by stainless steel and zinc outer components for weather resistance. The 5/16in (8mm) diameter octagonal shackle is 1-1/2in (38mm) 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 can trust.Features

• Magnum #1 Choice of Professionals
• Tough-Cut octagonal boron-carbide shackle is 50% harder than hardened steel
• 1-1/2in (38mm) Shackle clearance for more uses
• Dual-Armor protection: 1-3/4in (44mm) 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
• Keyed Alike – Same key opens all four locks
• Lifetime Guarantee