1. 100% brand new and high quality.2. It can process cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum and other metals, as well as marble, jade, bones and other non-metals. Processing hardness is as high as HRA≥85.3. The handle is basically used instead of the small grinding wheel, and there is no dust pollution.4. High production efficiency. The processing efficiency is several times higher than that of manual files, and nearly ten times higher than that of grinding wheels with small handles.5. Good processing quality and high finish. It can be processed into a variety of high-precision mold cavities.6. Long service life and durability ten times higher than high-speed steel tools, and 200 times higher than small grinding wheels.
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