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. Color: Black.