The Master Lock No. 4696EURDBLK Set-Your-Own Combination TSA-Approved Luggage Padllock features a 35mm wide metal body for durability. The 6mm diameter shackle is 48mm long, offers extended reach for use on equipment cases and is made of steel, offering resistance to cutting and sawing. Transportation Security Administration (TSA) screeners can open, inspect and relock bags and cases 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.