Master Lock Padlock, Keyed TSA-Accepted Luggage Lock, 7/8 in. Wide, 4683Q (Pack of 4) PADLOCK APPLICATION: For indoor use and travel; small lock is best used for backpacks, bags, briefcases, and luggage TSA ACCEPTED: Luggage lock allows Transportation Security Administration screeners to inspect and relock baggage, without damaging lock EASE OF USE: Convenient key lock set is ideal for those with multi-luggage travel; same key opens both locks; Keyed Alike: Same key opens all locks DURABLE DESIGN: Padlock includes solid metal body for durability and steel shackle for cut resistance SPECIFICATIONS: 7/8 in. wide lock body; 3/32 in. diameter shackle with 7/16 in. length, 9/16 in. width