TAIDEA Pocket Diamond Grit Multi-purpose Knife Sharpener T0905D

Using introduction: 1. Sharpen knife: Loosen the metal screw cap and pull the diamond rod out to the desired length and then securely retighten the metal screw cap so that the rod will not move. 2. Sharpen fishing hook: Place hook in groove and move back and forth until sharp. 3. Sharpen serrated knife: Use the specially designed tapered round rod for serrated edges. Only sharpen the side of your knife-edge with the serrations. Hold rod at manufacturers suggested angle and move it back and forth through each serration until sharp. 4.Clean rod after each use with a dry cloth or dry soft toothbrush.