... have 2 types of grinding cup, one is for smooth grinding, the other is forrough grinding.Cup diameterSegment dimension100mm18x5x5mm115mm18x5x7mm125mm24x5x8mm150mm24x5x8mm180mm28x5x8mm230mm28x5x8mm250mm28x5x8mmOther Special Requirements are ... .Application: Granite, Asphalt Marble, Concrete, Brick, Block, Stone and other Abrasive Materials.Contact UsPlease visit our homepage: www.xiamenkaiyuan.comPhone ...