Wet WorkingDiamond grits: #50, Size of 4 Inch, 12PCS/Pack. Works great with concrete wet polishers, 6.0mm thick polishing pads, Economical Choice. The Recommended RPM: 2200, the Maximum RPM: 4500; Available in individual grits or sets. Nylon backed polishing pads for easy connect and removal, with water hole in center, Color coded nylon backers to easily identify polishing pads grit. Special Spiral turbo type design for concrete polishing, ideal for concrete countertop polishing, concrete floor renewing, alslo good choice for granite floor polishing and other stone floor polishing.
