Diamond Polishing Pads 4 inch Wet/Dry 8 Piece Set Granite Stone Concrete Marble<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Stadea 7 Pieces of 3 mm thick 4 inch Diamond Pads &amp; One Backer Pad 5/8-11 female thread， A set of 8 polishing parts</li><li>Includes one piece each for grits 50， 100， 200， 400， 800， 1500， 3000 &amp; One Hook and Loop Backing Pad</li><li>For Wet and Dry Polishing， for best results use polishing pads with water</li><li>Optimal RPM 2200 Max RPM 4500</li><li>Works great on Granite， Concrete， Marble， stones， glass Polishing</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51wtMsKx85L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51n-KVmDpQL.jpg" noproxy>