uxcell 4 Inch 30 Grit Diamond Wet Polishing Pad Set, for Stone Concrete Marble Grinder or Polisher, with M14 Hook and Loop Backing Holder Pad Connecting Rod - a21032300ux0185

• Polishing Set: 4 inch 30 grit diamond polishing pads, 4 inch backing holder pad with M14 female thread, M14 male thread connecting rod. Suitable for wet polishing. Wide Applications: Perfect for concrete, marble, stone, quartz, tile, glass. Flexible diamond pads can be used for surface and edge polishing. Can be dry or wet use, but for best results are polished with water. Features: Nylon velvet, firmly bonded, can be repeatedly torn and pasted. The surface of the backer pad is closely arranged with hooks, which are attached closely for sticking ability. Can change polishing pads just in seconds. Easy to Install: First, Connect the M14 x 2 rod. Then, attach the hook and loop side of the polishing pad to the hook and loop side of the backing holder pad. Finally install the pad set on the grinder or polisher. Please never use with high speed grinder. Notices: Use a continuous flow of water at low RPM for best finish when wet polishing. Lower grits (30-200 grit) can be wet or dry use. The higher grits (300-10000 grit) must be used with water for the best results.