Usage Tips:specifications:Type: Knife Sharpener Angle GuideProduction number: not applicableSize: approx. 9.8 x 2 x 1.5 cmCharacteristics:This sharpening guide positions the knife at the perfect angle for sharpeningIdeal for use with sharpening stones for quick, precision sharpeningFeatures a protective ceramic strip for long-lasting useJust wipeMaterial: plastic + ceramicColor: BlackSize: approx. 9.8 x 2 x 1.5 cmHow to use:1. Attach the angle guide to the appropriate location on the knife blade2. Both hands hold the and the back of the knife, the ceramic part touches the surface of Wets Tone or Diamond, set the knife blade at a fixed angle, move the blade back and forth over the sharpener with little pressure.Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks very much!Delivery content:1x angle holder for sharpening stone