3 Piece mini diamond file set

DURABLE: This diamond file sharpening set has an 18cm2 surface area with 3 assorted grades: coarse, fine and extra fine, and is extremely durable. EASY TO USE: They are ideal for quick, easy and effortless sharpening of a wide range of tools including plane irons, chisels, blades, router cutters and garden tools. NO LUBRICATION: No oil lubrication needed - they only require water. Contents: extra fine, fine and coarse grades.