The Master Lock No. 1588T Magnification Combination Padlock features a 2-1/8in (54mm) wide metal body for durability in assorted colors with an optical-grade magnification lens. The 9/32in (7mm) diameter shackle is 7/8in (22mm) 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.