7" Hook and Loop Backer Pad is recommended for maximum 3000 RPM machines. The pad has a 5/8" rubber pad adhered to a hook and loop material with 5/8-11 thread for a polisher, or sander. The backer pad gives our non-corrosive pool plaster diamond disc " pool plaster sanding disc" a 100% contact with flat pool plaster surfaces.
Pool Plaster Polishing Pads. See our How To Resurfacing Pool Plaster information page.