General description The Faithfull Diamond Sharpening Stone & Sharpener provides quick, easy, and effortless sharpening of any blade and many other tools. It features two grits: 400G coarse and 1000G fine, which can be easily accessed by releasing the stone from the docking station and turning it over. Technical specifications Grits: 400G (coarse) and 1000G (fine) Docking station adjustable for stones from 135mm to 216mm in length Recess depth: 6mm Other information Docking station constructed with 3 solid, non-slip rubber pads and robust steel rods Easy grip screw nuts for precise and firm fixing of the stone