& OOTDT Hole Hole: muiti-color Diameter: 3 inch (80mm) Thickness: 0.2 inch (4.5mm) Grit Pad: 50 100 150 300 500 800 1000 1500 2000 3000 Thread Backer: M16(5/8-11) or M14 Application: Installed in wet polisher, angle grinder, floor polisher, air grinder, polishing tools, etc. Washers, used for grinding and polishing granite, marble, hardened concrete, quartz, terrazzo, natural stone, etc. The pads can also be used to restore and clean natural stone tiles, flooring, countertop, cement. Note: Necessary protective measures should be taken before useWet polishing is best. Coarse pads, can be used dry. It is usually not recommended to skip one of the gravelQuantity: 1 PcDue to the difference between different monitors, the image may not reflect the actual color of the item. Please allow 1-2CM differs due to manual measurement, thanks!