Grip Easy to Use Knife Sharpener, 3 Sharpening Options to Help Polish, Sharpen and Repair Kitchen Knives, Restore Dull Blade, Black 3*8 inch Extremely Quick and Easy to Use: dont let sharpening your knives be an intimidating process; designed with your comfort in mind, the ergonomic handle allows for an easy, soft grip while you sharpen; easy enough for even first timers to use, but effective enough for professional chefs 3 Sharpening Options: innovative 3 slot design helps to restore your knives to new; choose from the polish, sharpen, or repair slot to restore dull blades and help return them back to their factory quality in mere seconds Stays in Place: the rubber base is slip resistant and designed to stay in place with each motion Durable Construction: constructed from solid TP Rubber (not cheap PVC) and features durable blade slots made from ceramic rod metal (to help keep blades shiny), tungsten steel (to easily remove burrs) and diamond rod (to easily straighten damaged metal) Use for Most Types of Knives: effectively use this sharpener for nearly any type of smooth blade; use on most kitchen knives like your chef knife, slicer knife, utility knife, paring knife, santoku knife, or any other non-serrated blade; do not use with serrated blades or scissors