The Master Lock No. 4696D Set Your Own Combination TSA-Accepted Luggage Lock features a 1-5/16 in. (35mm) wide metal body for durability. The 1/4 in. (6mm) diameter shackle is 1-7/8 in. (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-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 can trust. Features: Allows TSA screeners to inspect and relock baggage, without damaging the lock Easy to set and reset numeric combination 1-5/16 in. W (35mm) durable metal body 4 dial combination security for keyless convenience Extended reach, heavy duty shackle designed for equipment cases Unique side window for easy combination viewing 10,000 combination possibilities