Thick foam pads with diamond grit embedded. 3000 Grit for fine finishing. These pads give an excellent finish and conform closely to the surface. May be used dry but will perform best when used wet. Max speed 1200 RPM Velcro backed for quick attach/detach from your backer pad. Suitable for grinding and polishing jewelry, glass and rock, etc. See our other listings for a wide range of diamond polishing pads, files, burrs and grinding wheels. GST Invoice supplied with all products purchased.