Luggage lock is best used as a luggage lock or backpack lock.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit. Set your own three-digit combination luggage lock for keyless convenience, Steel shackle for cut resistance Small combination lock is constructed with a solid metal body, black finish, and steel shackle 13/16 inch (21 millimeter) wide lock body; 1/8 inch (3 millimeter) diameter shackle with 11/16 inch (17 millimeter) length, 3/8 inch (10 millimeter) width Two small set your own combination luggage locks