[Safe and comfortable]: Our sharpener is made of sturdy material, environmentally friendly, and durable. Equipped with an ergonomic ABS plastic handle to ensure comfortable operation.[Four-in-one sharpener]: Diamond-coated grooves are used for dull metal tools; tungsten steel grooves are used for rough grinding; ceramic shank grooves are used for edge trimming and polishing.[NON-SLIP RUBBER BASE]: Ergonomic design makes sharpening the knife safer, non-slip rubber base and grip increase stability and control. The good grip allows you to sharpen the knife while keeping your fingers safe.[Easy to use]: The grinding head is detachable for easy cleaning and replacement. This sharpener is very suitable for daily use, small in size, easy to store, easy to use, suitable for both left-handed and right-handed, and takes up little space.[Wide scope of application]: This household knife sharpener is suitable for kitchen knives, pocket knives, paring knives, dull knives, fruit knives, folding knives, hunting knives, etc. Kitchen utensils must be kept sharp.