TSA approved luggage lock enables screeners with the ability to inspect and relock luggage without damaging lock Set your own three-digit combination luggage lock; TSA lock is best used as a luggage lock or backpack lock Travel lock is constructed with a metal body for durability and a vinyl covered cable for resistance to abuse from baggage handling equipment 1-3/16 inch (30 millimeter) wide lock body; 1/8 inch (3 millimeter) diameter shackle with 1-1/2 inch (38 millimeter) length, 5/8 inch (16 millimeter) width