... Grinding Cup Wheel Stone : Granite, Marble, SandstoneConstruction : Concrete Burring and rough surface grindingConnection: M14, 5/8-11, M16 Various Types:Single ... Double Row Cup Wheel4"/100mmφ100x5Tx20Wx22.23H#30/40, #50/60, #80/1004.5"/115mmΦ115HM2x35/25Lx7Wx6Tx22.2H#30/40, ... 2H7"/180mmΦ180HM1x35/25Lx6Tx8Wx12/12Zx22.2H#30/40, #50/60, #80/100 7'' diamond bond Grinding Cup Wheel grinding concrete floor