Allows TSA (Transportation Security Administration) screeners to inspect and relock baggage without damaging lock. Create your own password combination for complete personalization. 4 dial combination security. 10,000 combination possibilities. Unique side window for easy combination viewing. Easy to set and reset. 1-3/8" (35 mm) wide durable metal body. 3/4" metal shackle. Use for luggage and travel, backpacks, duffel bags and sports bags, briefcases and computer bags, jewelry and curio cabinets.