Set your own four-digit combination lock for easy combination recall No combination change tool required Padlock is constructed with a zinc body and reinforced body bumper for strength and reliability Shackle seal and covered dials for superior weather protection Extended shackle for application flexibility

The Master Lock Magnum M175XDLF Heavy Duty Outdoor Combination Lock features a 2in (51mm) wide zinc body for strength and reliability. The 3/8in (10mm) 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.