High Qulity Material: Made from high quality tungsten carbide for high hardness, wear resistance, and the edge is very sharp, to use.
widely used for engraving, milling, roughing, hollowing, 3D sculpturing purposes.
Cutting Diameter : 6mm
Wide for drilling concrete, walls, bricks, ceramic, wood, glass, tile, stainless steel and more; while drilling harder materials, Water or coolant is highly recommended