... ", 4", 5". Power tool Electric Wet Angle grinder / polisher is for diamond polishing pad, cup wheel wet polishing and wet grinding ... Price 7. Disc dia:80mm, 100mm, 125mm8. Accessories: A grinding wheel cover, a spanner, a handlePRODUCTPOWERRATE VOLTAGESPEEDDIAMETERFREQUENCYTHREADPURPOSEwet polisher800W230V500-4000RPM3", 4", 5"50HZM10, M12 ...