Small lock is best used as a travel lock, backpack lock, or cabinet 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 lock for keyless convenience Small combination lock is constructed with an aluminum body and nickel-plated steel shackle 1-3/16 in. (30 mm) wide lock body; 3/16 in. (5 mm) diameter shackle with 1 in. (25 mm) length, 9/16 in. (14 mm) width Shackle is preset to open on 0-0-0; for combination reset instructions, see User Manual in Technical Specifications section of this page