The Master Lock Magnum M930XDLH Solid Body Padlock with Key features a 2-1/2 in. (64 mm) wide solid steel body for maximum strength and reliability. The 7/16 in. (11 mm) diameter octagonal shackle is 2 in. (51 mm) long and made of Tough-Cut boron-carbide, 50% harder than hardened steel, offering maximum resistance to cutting and sawing. The 5-pin cylinder prevents picking and the dual locking ball bearings provide maximum resistance against prying and hammering. The covered keyway offers maximum weather protection, and reinforced body bumper protects against scratches. The Lifetime Guarantee provides peace of mind from a brand you know and can trust. Features: Outdoor lock; Heavy duty solid body padlock with key is best used for outdoor storage and fences, self-storage units & lockers, tools, job boxes and more Key lock features Tough Cut octagonal boron-carbide shackle is 50% harder than hardened steel; Covered keyway for maximum weather protection 5-Pin cylinder and ball bearing locking mechanism provides maximum pick and pry resistance; Reinforced body bumper for scratch resistance 2-1/2 in. (64 mm) wide lock body; 7/16 in. (11 mm) diameter shackle with 2 in. (51 mm) length, 15/16 in. (24 mm) width; Extended shackle for application flexibility Includes one padlock, two keys; Padlock features removable cylinder that provides ability to re-key your lock