PROTON WET Premium Diamond Cup Wheel gives an excellent quality high gloss polish. They polish rapidly, last well and are excellent value for money. They can be used for Chamfering,edge polishing or flat polishing of Glass, Marble, Granite and Terazzo. PROTON WET Premium Diamond Cup Wheel offer the advantage of non wavy and distortion free finish compared to flexible polishing pads. Recommended speed upto 3000 rpm with a central supply of water. This auction is for 1 only 100 grit cup wheel with 14mm thread. See our other listings for a wide range of diamond polishing pads, files, burrs and grinding wheels. GST Invoice supplied with all products purchased.