The Master Lock #1534D set your own word combination padlock features a 2-1/2 in (64 mm) W metal body for strength and durability. The 1/4 in (6 mm) Dia shackle is 1-1/8 in (29 mm) L and made of hardened steel, offering extra resistance to cutting and sawing. The soft touch dials with two-grip points provide no-slip grip and keyless convenience. Interchangeable, removable dials offer over 25 million personalized combinations. The limited lifetime warranty provides peace of mind from a brand you can trust.