ZFE Double Grain Sets 3/32" Tungsten Carbide Burr 2.35mm Rotary Cutter files Set CNC Engraving CED 6mm Material: Tungsten Steel Solid Carbide Manderl Shank Size :2.35mm Available Sharp:Double Grain 6mm Tungsten Steel Solid Carbide Burrs Sets 1 Drill Carving Rotary Locator Set