Electroplated diamond grinding disc 1.Diameter:100-350mm 2.Hole:22.23mm, 25.4mm, ... 3.Diamond grit:40#,60#, 80#,as request4.suitable for cutting and grinding various hard materials, such as marble, granite, glass, ceramic ... , concrete and brick.5.smooth cutting surface, fast grinding speed, high efficiency6.If you have special requirements, we ...