3-in-1jar & Bottle Opener--3 Sizes of Round Openings Make the Jar Opener Extremely Convenient to Open Small & Medium Size Lids(1-3 Inches Diameter), the Hooks on the Top Can be Used to Open the Large-size Lids by Breaking the Air Tightness, & Can Also be Used to Open the Ring Pull Cans. the Long Handle Provides Sufficient Leverage, Rubber Lining Helps Provide a Firm Grip on the Lids & the Indentations on the Surface Provides for a Firm, Non-slip Grip Between Your Hand, Get the Lids Off Even the Stubborn Ones Frustration-free & Smoother. Both Sides of the Opener Can be Used to Accommodate Different Sizes of Lids, Choose a Suitable Opening to Fit the Lid, Use the Third Opener Ring Instead of the Fourth for Larger Lids(no More Than 3 Inches).