Faithfull LX -1202 Diamond Folding Whetstone 400/600G FAIDWFOLD

Supplied in a handy storage case that unfolds to form a handle.
Case protects the diamond stone and allows it to be kept in a pocket ready for use.
Quickly restores a sharp edge to any blunt tool.
400 and 600 grit surfaces are suitable for general purpose sharpening of knives, scissors, cutting blades, carbon steel, HSS and tungsten carbide tools, etc.
Can be used dry or with water as a lubricant, no oils are necessary.