For use on luggage while traveling; small lock is best used for backpacks, bags, briefcases, and luggage; not intended for outdoor use.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 luggage, tool chests, storage cases and more Convenient front access luggage lock set is ideal for those with multi-luggage travel; same key opens both locks; Keyed Alike: Same key opens all locks TSA luggage lock features a metal body for durability and shrouded steel shackle for cut resistance 1 in. wide lock body; 1/8 in. diameter shackle with 9/16 in. length, 7/16 in width; Available in Blue, Pink, Purple, Silver (randomly selected at time of shipment)