Gearing and cutting discs are made from high quality stainless steel will achieve a perfect cut with almost no effort. Its really a fundamental tool for home kitchens, restaurants, camping, barbecue parties, outdoor picnics. The razor- blade ensures canned edges are not jagged when the lid is removed and it dont leave metal shavings in your foods after cutting. This item also features a pop-top bottle opener that is located on the top edge of the can opener. Large non-slip handle is designed with ergonomic knob in sturdy shape for easy turning without hurting your fingers - will fit . comfortably in your palm and allows you to cut everything safely and easily. Moreover, the hanging hole on each handle and on the top edge helps you more convenient in storage. Perfect assistive device for those who have an insufficient grip or lack of hand strength. You just simply turn the knob, then all can sizes in just a few seconds.