Description:<br>4 Inch Plastic Thread Foam Backer Pad For Diamond Polishing Pads Stone Polish Wet Dry<br>Specifications:Material: Plastic + Foam + MetalPad Diameter: 100mmHeight: 35mmScrew Diameter: 20mm <br>Features: Professional， durable to use.Max Speed is 12000 obr\/min.4 inch plastic foam backer pad with Hook &amp;amp; Loop Tapes， for 4 inch diamond polishing pads or sand paper.<br>NOTE: For different monitors， the color may vary slightly. Besides， please allow some errors of manual measurement， thank you for your understanding!<br>Package Included:1 X 4 Inch Plastic Foam Backer Pad