The Master Lock No. 930DLHPF Solid Body Padlock features a 2-1/2 inch (64 mm) wide solid steel lock body that is strong, durable and resists corrosion. The 7/16 inch (11 mm) diameter shackle is 2 inch (51 mm) long and made of hardened boron alloy, offering maximum resistance to cutting and sawing. The 5-pin cylinder prevents picking and can be removed to rekey the lock.