Whetstone for Daily Use! For most grinding operations: Kitchen knives, Pocket knife, Shun chef knife, Kitchen shears, Straight razor, Precision tool, Ggarden tools, etc. 400/1000 GRIT DUAL SHARPENING WHETSTONE Coarse and Medium Grit Combination Water Stone.Made of professional grade white corundum grit with non slip rubber base grip. PROFESSIONAL GRADE CUTTING TOOL SHARPENING STONE Professional grade knife sharpener stone is highly durable & long lasting.Sharpen kitchen knives, hunting knife, pocket knife, scissors, chisel, straight razor, axes, precision tool, garden tools, art appliance and ceramic knife and many other blades.Except serrated blades and ceramic knife. SHARPEN & SMOOTH COMBO 400 grit is used for returning edges to their original shape.1000 grit is used for sharpening, smoothing the edge and leaves the metal edge with a frosted appearance.Gives a nice working area for any size knife, corrosion-resistant, heat-resistant, edges and corners are clearly demarcated. ANTI-SLIP BASE We understand the importance of safety when sharpening tools, your purchase comes with a silicone base for holding the stone firmly in place.Will not slip or slide for optimal safety. WATER WHETSTONE Our sharpening stone is meant to be used with water, not oil.Soak stone for 5-10 minutes before use, and lubricate with additional water as needed when sharpening.No need for expensive sharpening/honing oils.Easily clean up with water.