DWGEAR Stainless Steel Keychain Beer Opener Multi-functional Pocket Survival Tools Overall Size: 75mm  20mm  Thickness 4mm It is made of stainless steel Material: Stainless Steel Weight: about 13.5G It is bigger than the key, easy to carry, powerful scraper/canned, pull nails, loose fastening screws, set up the bottle caps and so on practical features at a suit