Master Lock M176XDLH Magnum Heavy Duty Set Your Own Combination Lock
- maximum security lock with a zinc body is best used as a gate lock, shed lock, and storage locker lock.
- Set your own four-digit combination lock for easy combination recall.
- Back-up key included for operation without the combination.
- Lock is constructed with a zinc body and reinforced body bumper for strength and reliability.
- covered dials for superior weather protection.
- Roller pin cylinder provides maximum pick and pry resistance.
- Tough-Cut octagonal boron-carbide shackle is 50% harder than hardened steel.
- 3/8 in. (10 mm) diameter shackle with 2 in. (51 mm) length, 15/16 in. (24 mm) width.
- extended shackle for application flexibility.