• 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.• Dimensions (W x D x H): 30 x 15 x 125mm (Folded).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.• 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. • Dimensions (W x