The Master Lock No. 4692EURDBRN Set-Your-Own Combination TSA-Approved Luggage Lock features a 32mm wide metal body for durability; with a leatherette cover. The 3mm diameter shackle is 19mm long and made of steel, offering more strength. 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 won't cut! The Limited Lifetime Warranty provides peace of mind from a brand you can trust.