The Master Lock No. 230DPF Solid Body Padlock features a 2-1/2 in (64mm) wide solid zinc lock body that is strong, durable and resists corrosion. The 7/16 in (11mm) diameter shackle is 1 in (25mm) 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. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.