Amtech 3 piece diamond set includes extra fine, fine and coarse grades. Grit grades - yellow 180 (coarse), red 240 (fine) and green 400 (extra fine).

Perfect for quick, easy and effortless sharpening. No oil lubrication needed as only water required and extremely durable.

Ideal for plane irons, chisels, blades, router cutters, hand and garden tools.