Check the listing for details. 8 inch Double Sided Diamond Sharpening Bench Stone Knife Sharpener 400/1000 Grit. Color: Silver, Condition: New. Listed at 32.59 USD. Product Overview Diamond sharpening stone is ideal for the first edge on a knife, seriously passivated knife, high carbon knife or tool and flattening whetstones. Widely used for sharpening kitchen knives, outdoor knives, plane blades, chisels, ice skates and so on. The sharpening effect is far better and more efficient than stones of other materials. Features [DOUBLE-SIDED STYLE] Diamond sharpening stone has a coarse 400 grit and a fine 1000 grit for knife or any tool. 400 for repairing large indentation, removing rough edges, and consolidating the blade. 1000 for removing burrs, polishing and smoothing edges [PRECISION FLATNESS] Bench stone is engineered flat, assuring even contact with the knife or tool [WORK FAST] The surface of our diamond sharpening stone is unique clearance channel. At the same time, diamond is super abrasive and reliable to quickly sharpen anything with a sharp edge including high carbon, stainless, and ceramic tool. Works faster than other sharpening abrasives, saving your time! [MULTI-USE] Diamond sharpening stone is ideal for the first edge on a knife, seriously passivated knife, high carbon knife or tool and flattening whetstones. Used for plane blades, chisels, ice skates, outdoor knives and kitchen knives [USING CORRECTLY FOR BETTER RESULTS] Diamond stone sharpener produces a sharp edge with a few easy strokes. No need to add oil or water to the surface, and no need to put much pressure when sharpening. Just put a little pressure and sharpen evenly. Easy to operate in all conditions! [COST-EFFECTIVE] Diamond sharpener stone costs less than a third of brand stones but get quick sharpening results Note Diamond stone do not need water or oil during the sharpening process Put a little pressure, moving back and forward evenly. No need to put much pressure Place the knife on the diamond surface and keep an angle for 15~20°. Move back and forward for several times, then change the other side of the knife and repeat the same process Start with 400 first and repeat on the 1000 side. 400 for repairing large indentation, removing rough edges, and consolidating the blade. 1000 for removing burrs, polishing and smoothing edges Specifications Stone Color: Silver Material: Electroplated Diamond Length: 8 Inch, 201.5mm Width: 3 Inch, 68mm Height: 0.31 Inch, 7.8mm Weight: 0.389lbs, 858g