Diamond Brazed Cutting Wheel: The upgraded diamond high manganese steel base and brazing process significantly extend the lifespan of the cutting blade, making it 100 times longer-lasting than standard bonded abrasive cutting wheels. The sturdy steel wheel body provides flexibility and stability, greatly reducing the risk of breakage and injury High-Speed Diamond Cutting Disc: The diamond particles on the edge of the MASTER DEPOT cutting disc are twice as high as those on ordinary cutting discs, providing an ultra-thin kerf for extremely fast cuts. Additionally, the cutting disc requires fewer changes, resulting in shorter downtime and higher productivity, while producing less dust and debris compared to traditional abrasive wheels Universal Angle Grinder Cutting Wheel: The 4-1/2 inch metal cutting wheel features a 7/8 inch (22.23 mm) arbor hole, and includes the additional adapter of 5/8", making it easy to install and compatible with various handheld saws and angle grinders. Wide Application in Metal Cutting: The diamond cutting wheel is suitable for cutting a variety of materials, including iron, rebar, aluminum, alloy steel, stainless steel, different types of pipes, and metal sheets. It provides dry cutting with a blade diameter that does not shrink during use Satisfactory Service: Whether you are a professional or a DIY enthusiast, the MASTER DEPOT 4-1/2 CutOff wheel is an economical and efficient choice. If you are not satisfied or have any questions, please contact us, and we will provide a satisfactory solution within 24 hours MASTER DEPOT Diamond Cutting Wheel 4 1/2 Inch with 5/8"- 7/8" Arbor, Cut Off Wheel for Metal with 5000+ Cuts on Rebar, Steel, Iron and INOX, Angle Grinder Cutting Disc, 2 Pack