Master Lock (Master Lock) Padlock, Key Lock, Professional Grade, Rustproof, Outdoor, High Security, Body Width 51mm, Shackle Height 25mm, Anti-theft,

The Magnum Series, the No. 1 lock chosen by professionals. The octagonal shackle utilizes boron carbide, an ultra-hard material. It boasts 50% greater cutting resistance compared to hardened steel (Tough-Cut™). The body is constructed from high-strength laminated steel and features a rust-resistant stainless steel coating (Dual Armor™). It employs a highly secure dual-ball lock mechanism. *Boron carbide is an extremely hard material with a Mohs hardness of 14 (diamond is the highest at 15). *Body width: 51mm. *Includes 4 keys. The Magnum Series, the No. 1 lock chosen by professionals.