1.3 Knife Sharpening SlotsKnife Sharpener has 3 Knife Sharpening Slots PREP: Rough grinding slot is made of diamond grinding wheel, suitable for grinding blunt knives and also for the preparation stage of grinding knives.SHARPEN: Fine grinding slot, is made of tungsten steel blades, suitable for daily sharpening.FINISH: Meticulous grinding slot is made of ceramics, which is suitable for meticulous grinding and also for the finishing stage of the sharpening knife. 2.Easy to UseOur knife sharpener handle is ergonomic, with a non-slip silicone base at the bottom, it is not easy to slide when sharpening, safe and labor-saving. The sharpening head is removable for easy cleaning. 3.High Quality and DurableKnife sharpeners are made of stainless steel and ABS plastic, which are durable, have a long service life, and can fully withstand the pressure generated during sharpening. 4.Cut-resistant Glove EquippedFor customers to use the knife sharpener more safely and comfortably, we are equipped with a cut-resistant glove for each sharpener. It can make the sharpening process easier and safer.