Whetstone Cutlery 20-10960 Knife Sharpening Stone-Dual Sided 400/1000 Grit Water Stone-Sharpener and Polishing Tool for Kitchen, Hunting and Pocket Knives or Blades by Whetstone DUAL SIDED SHARPENING- Made from durable silicon carbide, this two-sided sharpening block comes with both a 400-grit side, used for returning edges to their original shape, and a 1000-grit side used for smoothing and polishing cutting edges. WATER STONE- This stone is meant to be used with water, not oil. Simply soak stone for 5-10 minutes before use, and lubricate with additional water as needed when sharpening. No expensive honing oil needed! MULTI USE TOOL- This whetstone can be used as a one-stop shop for any item you want sharpened and polished, including kitchen cutlery, scissors, hunting or pocket knives, blades, and razors. Also works for hatchets, axes, carving and gardening tools. RESTORES SHARPNESS- After one use with this water stone, dull knives and battered blades will be restored to razor sharpness. Recondition all your tools with this kitchen or workshop essential. Dimensions: 7 (L) x 2.25 (W) x 1.125 (H). Material: Green Silicon Carbide. Features include: 2-sided stone block, Dark Green: 400 Grit, Light Green: 1000 Grit.