Usage Tips:Stainless steel material: multi-function can opener made of 304 stainless steel, strong and durable, never rust, can be used for a long time, easy to clean, very practical. MULTI-FUNCTIONAL USE: 4 size-adjustable teeth for opening Jars of all sizes or as a can lifter, bottle cap lifter, pecan nut holder. Labor-saving and convenient to use, most bottles can be easily opened by simply twisting the cutout. Easy operation Choose the right size of jaws to match the lid, wide-mouth jar, can or walnut to be opened.&nbsp ; Squeeze the handle to apply strong pressure to avoid damaging the cap Unscrew the cap slightly. Ergonomic: This multifunctional can opener is ergonomically designed with a long lever handle to give you more power and to give less force from your wrist and spare your joints. PERFECT CHOICE: Can opener is perfect for the elderly, women, bartenders or those with hand pain, arthritis and weak hands.