Mini Knife Sharpener T0501TC It adopts two stages sharpening design to increase the whetting speed and quality greatly. Coarse grinding part adopts high rigidity carbide, removing the cutter surface metal by cutting steel scraps to modify a dull edge. The fine grinding part uses wearable ceramic materials, which modifies the edge and increases the blade quality. The main body uses super strong recyclable ABS material for long life and the bead chain design is for easy storage. Product Features 1.Non-skip rubber base and rhombus design for safety and comfort 2.Lanyard hole bead chain provides accessibility and storage 3.Preset sharpening angles ensure guaranteed results 4.Crossed ceramic rods provide a razor sharp edge 5.Crossed carbide blades provide quick edge setting Using Instruction: 1.Place the sharpener on the platform, one hand keeps the sharpener, the other holds knife. 2. The way of sharpening is decided by the degree of blunt tool. Step1. for coarse sharpening: Used to repair badly damaged blade, suitable for a blunter knife. Insert knife blade into the Carbide stage then pull at a suitable degree for three or five times. Generally we advise you to use it with coarse stage for half a year, also depends on the specific situation. Step2. for fine honing; it is a necessary step for the elimination of burrs on the knife, and makes the blade smooth and bright. Insert knife blade into the Carbide stage then pull at a suitable degree for three or five times. General speaking, use it once a week to keep your blade sharp. 3. Clean the knife with the water or wiper and dry it after use; Clean the knife sharpener with non-abrasive brush.