Practical Can OpenerThe under cabinet jar opener's solid and reliable design makes this kitchen tool more practical, non slip design works well with wet jars and hands. The jar opener is made from durable plastic with heavy duty steel teeth, the diameter of it is 6.3", the height is 0.75".Space SavingIdeal for placement under counters or along kitchen shelves, Just mount it under your cabinet and you will never misplace this kitchen gadget! Install it on your most convenient spot and you will never have trouble opening jars again.Open All Lid SizeOpen All Lid Size -- Try anything small like a bottle of water, nail polish or a wide container of pickles, peanuts, canned fruits, jams, molasses, marshmallow creme or maraschino cherries.2 Ways To Install3M tape and screws will come with the product. You can decide to use tape or screw to fix the Jar opener. Please remember to place the wide mouth portion of the teeth facing directly towards you when you attach the opener. Just put the jar or bottle inside the V-shape and twist, then you can open them!Ideal for Senior or Children Perfect for anyone who suffering from arthritis or joint pain, safe enough for children and senior to open jar easily and effectively. The jar opener fits the most of jars, bottle or cap, like water and soda bottles, milk jugs, laundry detergent, spaghetti sauce and peanut butter.