abrasive tools model:3",4",5",6",7" grite:#50#100#200#400 ... polishing the floor Snail buckle Abrasive toolsFloor pad /wet diamond polishing pad Our company use of high quality materials, ... processing and ground treatment, ceramic tile industry.Joint with complete standard of particle size of color and good ... the acceptance of the customers.diameter :3",4",5",6"thickness 4.0MMgrite #50,#100,#200,#400,#800 ...