Features： 1、High grinding ratio, using advanced technology, uniform particles, not easy to polish, less wear. 2、White corundum has high hardness, slightly lower toughness, good grinding performance and low grinding heat. 3、It is suitable for ordinary grinding of hardened steel, high‑speed steel, high‑carbon steel and other materials with high strength and hardness. 4、The ceramic grinding wheel is suitable for the processing of threads, gears and thin‑walled parts, with good grinding effect and durability. 5、Ceramic grinding wheels are ideal grinding tools, ideal for corner and shape retention applications. Specification： Item Type: Flare Cup Grinding Wheel Material: White Corundum Color: White Size: 75 x 32 x 20mm (Diameter x Thickness x Aperture) Uses: Mainly Used for Grinding and Forming Cutting Tools, Gears, Threads, Thin-Walled Parts, Etc. Package List： 1 x Grinding Wheel