This knife sharpener is double sided for fine and coarse sharpening.It has a plastic handle for safe use and soft on hands..Please wipe it with wet cloth or rinse it with water after sharpening the tool, and then dry it. Clean the stone surface with a soft brush and put it in the air to make it dry.
Step 1: Coarse grinding, used to repairing the seriously dam aged edge,suitable for blunt cutters. Hold the cutter at an angle of 10 - 30 °, grind the edge on the surface of stone back and forth with gentle pressure,and sharpen it until the edge sharp enough. After sharpening the tool, it needs to be honed with coarse grinding after half a year. Also depends on the specific situation.
Step 2: Fine grinding, a necessary step to eliminate burrs of the edge.Use more gentle pressure,repeat step 1, and repairing the edge until smoothly and keenly. General speaking, use it once a week to keep your blade sharp.