All in 1 Metal Solution - 4.5 diamond blades for grinder for metal diamond plate cutting wheel，Angle grinder cutting wheel ，Our cut off wheel allows dry cutting of many metal type materials likes tubes&structural、sheet metal、stainless steel、solids、rebar、castings、steel plates、non-ferrous. LONG LIFE - Metal cutting blade according to the test results, OKDIAMOND enables to make more than 3000 cuts. Increased lifetime of this cut off wheel is ensured by high-temperature plasma soldering and a new generation of diamond grit in the segment. And our cut wheels have no wear and tear after work , it does not wear down like bonded abrasives Environmental - When you use our cutting wheel : less sparks, no dust, no smell, no overheating. reducing dust particles for a cleaner work station. It's very comfortable in usage than traditional wheels. It's 100% contaminant-free. The diamond cutting wheel can be used for grinding burred edges that can leave after rough metal cutting. SAFETY- Wheel breakage eliminated when operating at high rotation speed (13200 RPM) because of special construction of the disc body made of high-strength steel. It can greatly protects staff.