The Master Lock 4680D Set Your Own Combination TSA-Accepted Luggage Lock features a 1-3/16in (30 mm) wide metal body for durability. The 1/8in (3 mm) diameter shackle is 3/4in (19 mm) long, offering resistance to abuse from baggage handling equipment. Transportation Security Administration (TSA) screeners can open, inspect and relock bags locked with a TSA-Accepted lock. Lock your checked baggage with the lock TSA screeners won't cut. The Limited Lifetime Warranty provides peace of mind from a brand you know and can trust. Features: TSA accepted luggage lock enables screeners with the ability to inspect and relock luggage without damaging lock Set your own three-digit combination luggage lock; unique side window for easy combination viewing TSA lock is best used as a luggage lock or backpack lock Travel lock is constructed with a metal body for durability and steel shackle for resistance to abuse from baggage handling equipment 1-3/16 in. (30 mm) wide lock body; 1/8 in. (3 mm) diameter shackle with 3/4 in. (19 mm) length, 1/2 in. (13 mm) width