Description Product Name: Mostartools 4 Inch Diamond Resin Filled Cup Wheel Grinding Wheel For Granite,Concrete And Tile With 5/8"-11 ThreadMostartools 4" Diamond Cup Grinding Wheel Resin Filled Cup Grinding Wheel with Thread 5/8“-11 for Grinding Stone Concrete and Tiles is designed for fast rough dry or wet grinding and shaping surfaces,cormer, edges and angles of granite ,marble, concrete ,tile and other natural stones.Diameter: 4 inch Arbor: 5/8"-113 Grit Options: Coarse (Blue color), Medium (Yellow color), and Fine (White color)Grinding Method: Dry or wet grinding.Why MostartoolsMostartools has been engaged excellence in diamond tools for many years.We have built on the trust of our clients who are from United States,Canada and European countries by providing them with high quality cutting,grinding and polishing tools for stone,concrete,tile and ceramic. Our tools cover diamond saw blade,diamond core drill bit,polishing pad,diamond grinding wheel ,profiling wheel and so on.You will find our tools are the correct diamond tools you need for a job.