1. The teeth of the bottle opener are clear and the cap is fixed and stable without slipping. The crossbar teeth are clear and match with the locking mechanism. Our can opener can be adjusted in size for various jam jars and jelly jars to open different size lids. 2. Stainless steel bottle opener for opening small and large jars, water or soda bottles, Mason jars, etc. Just open your wings and slide your teeth and you can grab the lid of your size. Lock the wings and twist. You can also use your tail to open beer bottles. 3. Our bottle opener is made of stainless steel, durable, not easy to rust, long life, easy to clean and store, and will not break like those plastic bottle openers. It is suitable for frequent use and brings much convenience. 4. The thoughtful design makes the stainless steel bottle opener handle beautiful and easy to use. You just need to adjust the can opener to fit the length of the cap, then squeeze the handle and turn it counterclockwise to open the cap easily. 5. It is a gift for elderly people, people with arthritic hands and disabled men or women who can open jars easily and happily in their daily lives.