The Master Lock No. 5DLF Laminated Padlock features a 2 in (51mm) wide laminated steel body for maximum strength and reliability. The 3/8 in (10mm) diameter shackle is 1-1/2 in (38mm) long and made of hardened boron alloy, offering maximum resistance to cutting and sawing. The 4-pin cylinder prevents picking and the dual locking levers provide resistance against prying and hammering. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.