Indoor padlock is best used as a school locker lock and gym lock, providing protection and security from theft Set your own four letter word combination lock for easy combination recall; dials not interchangeable Combo lock is constructed with a metal body, hardened steel shackle, and anti-shim locking mechanism for strength and security 1-1/2 in. (38 mm) wide lock body; 1/4 in. (6 mm) diameter with 15/16 in. (24 mm) length, 11/16 in. (17 mm) width Word lock is available in black, blue, light blue, and pink (color randomly selected at time of shipment) The Master Lock 1535DWD Set Your Own Word Combination Padlock features a 1-1/2in (38mm) wide metal body for strength and durability. The 1/4in (6mm) diameter shackle is 15/16in (23mm) long and made of hardened steel, offering extra resistance to cutting and sawing. The dial grip points provide accurate dialing and keyless convenience. The Limited Lifetime Warranty provides peace of mind from a brand you know and can trust.