The Master Lock no. 1534D set your own word combination padlock features a 2-1/2 inch (64mm) wide metal body for strength and durability. The 1/4 inch (6mm) diameter shackle is 1-1/8 inch (29mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The soft touch dials with 2 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.