Master Lock Magnum Series M1BLCQLFHC Padlock, Alike Key, 5/16 in Dia Shackle, Boron Carbide Shackle, Steel Body

The Master Lock Magnum M1XQLF laminated padlocks feature a 1-3/4 in (44 mm) wide laminated steel body for maximum strength and reliability and is surrounded by stainless steel and zinc outer components for weather resistance. The 5/16 in (8 mm) Dia octagonal shackle is 1-1/2 in (38 mm) long and made of Tough-Cut boron-carbide, 50% harder than hardened steel, offering maximum resistance to cutting and sawing. The four 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.