2-3/4" Hook & Loop Grip Backing Plate Pad with 5/8" Polisher Threads for 3" Buffing & Polishing Pads 2-3/4" Grip mount (hook and loop) universal polishing pad backing plate Has the standard 5/8" size polisher threads For use with 3" grip (hook and loop) buffing or polishing pads Provides a secure no-slip grip and allows quick and easy pad changes