Features 1、Accurate Size: Grinding wheels are precisely made, with the outer diameter of 107mm, inner diameter of 16mm and thickness of 1.2mm. 2、Strong Impact Resistance: Cutting discs are made from excellent A brown corundum, single crystal corundum, stainless steel, with strong impact resistance, provides efficient working performance. 3、Hard Wearing: The cut off wheel is firm combinated, not easy to sand off, with better wear resistance, has high abrasive cutting performance. 4、Thickened Steel Ring: With thickened steel ring, increasing the clamping strength, the disc is not easy to break, rust and corrosion resistance, ensures years of use. 5、Strong Practicability: The polishing wheel with sharply edges, could provides high efficiency and clean cutting, suitable for angle grinder, sander, polisher and more machine. Specification Item Type: Grinding Wheel Material: A Brown Corundum, Single Crystal Corundum, Stainless Steel Outer Diameter: Approx. 107mm/4.2in Inner Diameter: Approx.16mm/0.6in Thickness: Approx. 1.2mm/0.05in Package List 25 x Grinding Wheel