The Master Lock® 1561DAST standard dial combination padlock features a 1-7/8 in (48 mm) W metal body for durability, with an anodized aluminum finish. The 9/32 in (7 mm) Dia shackle is 3/4 in (19 mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The 3-digit combination offers keyless convenience. The locking mechanism features anti-shim technology, offering maximum security. The bright metallic colors simplify locker identification. The limited lifetime warranty provides peace of mind from a brand you can trust.