uxcell 4inch Hook and Loop Backing Pad Sanding Polishing Backer Plate with M10 Female Thread for Random Orbit Sander Polisher Buffer 7 Pcs

1. 4 inch back holders are designed to fit diamond polishing pads, Max RPM 12000. 2. Backer Pads could be attached to any polishing pads easily and allows for a fast switching between different grit size. 3. Connect a back holder to the polisher, and attach a polishing pad to the back holder. 4. Using a thicker J-Hook design made from a more heat resistant material, and implementing a stronger adhesive. 5. Please use with power tools with M10 thread spindle. (thread spindle is not included here) Specification: Product Name: Backer Pad Material: Plastic, Sponge Diameter: 100mm / 4 Inch Thread Size: M10 Female Thread; Max RPM: 12000 Package Content: 7 x Backer Pads Weight: 297g; Color: Black, Yellow