Can process a variety of metal and non-metal, processing hardness would up to HRC70. -In a great part of the work, it can replace the petiole small wheel,and no dust pollution. -High production efficiency, the processing efficiency is several times higher than file, nearly 10 times higher than small wheel stalk. -High product processing quality, high finish, can process out a various of high-precision mold cavity. -Long life, the durability is 10 times higher than high-speed steel cutting tool, 200 times higher than small grinding wheel. -Easy to use, safe and reliable, can reduce labor intensity, improve the working environment. -Suitable for processing these metal and non-metal, such as cast iron, cast steel, bearing steel,high carbon steel, chrome-nickel,alloy, bronze, brass, and ceramic tile, marble, jade, bone, etc.