TSA approved luggage lock enables screeners with the ability to inspect and relock luggage without damaging lock.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit. Padlocks are keyed alike - Same key opens all four locks TSA luggage lock features a metal body for durability and shrouded steel shackle for cut resistance 1 in. (25 mm) wide lock body; 1/8 in. (3 mm) diameter shackle with 9/16 in. (14 mm) length, 7/16 in. (11 mm) width Available in blue, pink, purple, and silver (color randomly selected at time of shipment)