4PCS 400 600 1000 1200Grit Diamond Knife Sharpening Plate Honing Bench Stone Kit Features: 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 and 600 grit for repairing large indentation, removing rough edges, and consolidating the blade. 1000 grit for removing burrs, polishing and smoothing edges. Specifications: Stone Color: Silver Material: Electroplated Diamond Length: 6 inch, 150mm Width: 2.48 inch, 63mm Height: 0.04 in, 1mm Weight: 320g Package Included: 1 x Diamond Sharpening Plate 400 Grit 1 x Diamond Sharpening Plate 600 Grit 1 x Diamond Sharpening Plate 1000 Grit 1 x Diamond Sharpening Plate 1200 Grit