Sealey FDW600 Folding Diamond Whetstone Diamond whetstone supplied in a handy storage case that unfolds to act as a handle. Suitable for the sharpening of knives, scissors, cutting blades, carbon steel, HSS, tungsten and carbide tools. Combination of 400 and 600 grit surfaces. Can be used dry or with water as a lubricant, no oils are necessary. FDW600 Features Diamond whetstone supplied in a handy storage case that unfolds to act as a handle Suitable for the sharpening of knives, scissors, cutting blades, carbon steel, HSS, tungsten and carbide tools Combination of 400 and 600 grit surfaces Can be used dry or with water as a lubricant, no oils are necessary What is included: 1 x Sealey FDW600 Folding Diamond Whetstone