VEBE 5pcs 1/4" Tungsten Carbide Rotary Cutter files Set CNC Engraving Cut 100% quality and brand new. Easy to use, safe and reliable, can reduce labor intensity, improve the working environment. Can Process a variety of metal and non-metal, processing hardness would up to HRC70. High production efficiency, the processing efficiency is several times higher than file, In a great part of the work, it can replace the petiole small wheel, and no dust pollution.