WIDELY SCOPE OF APPLICATION：Perfectly compatible with all 4-1/2 inch(115mm) angle grinders with 7/8 inch(22.2mm) arbor. Thickness:0.045 inch(1.2mm). Operating up to 13,300 RPM.These air grinder cut off blades are perfect for slicing tubing, sheet metal, metal plating, rebar, rusted bolts, exhaust pipes, de-flashing etc. and can be used on almost all metals from steel to stainless steel..INDUSTRIAL QUALITY CREATES BETTER PERFORMANCE：Exclusive industrial grade raw materials and ultra-thin thickness optimize the performance of Turnextte universal metal cutting wheels. It can ensure fast cutting while minimizing the formation of burrs and thermal load on the workpiece and cutting wheel. Less rework and higher efficiency are your reasons for choosing..SUPERIOR SERVICE LIFE：Made of high-quality resin, aluminum oxide, and silicon carbide, it greatly improves its service life and provides better cutting performance while ensuring its lifespan. One replacement can last longer..EXCELLENT SECURITY AND STABILITY：The entire series of cutting wheels are reinforced with double-layer fiberglass mesh. When used, it ensures excellent stability and avoids the risk of breakage even under lateral forces. Complies with EU EN12413 and MPA standards.Wear all applicable safety gear when using these discs(eyes/ears/face/hands/body/etc)..SERVICE FIRST：We trust in delivering high-quality products to the end-user. Customer satisfaction is the lifeline of our brand.If you have any questions about the product, please contact us. Your problem will be resolved within 24 hours.