The Master Lock 4697DWD Set Your Own Word Combination TSA Approved Luggage Lock features a 1-3/8in (36mm) wide metal body for durability. The 1/8in (3mm) diameter shackle is 1-1/2in (38mm) long and made of vinyl covered flexible braided steel, offering resistance to abuse from baggage handling equipment. Transportation Security Administration (TSA) screeners can open, inspect and relock bags locked with a TSA Approved lock. Lock your checked baggage with the lock TSA screeners wont cut! The Limited Lifetime provides peace of mind from a brand you can trust.