Ultralight GI Type Can Opener. Gives you the leverage and blade you need to open canned goods. This is truly and ultralight tool that will prove indespensible on your next trip. 2 inches long for better leverage. Weighs just 8.5 grams.STERILIZE BEFORE RE-USE Tie a string through hole in opener and dip into boiling water. If no water is available hold blade of a match flame for a few seconds immediately before use. It is best to buy a few for your pack, occasionally they bend and will cease to function - always have a spare.