5” 125mm hook and loop Backing Pad M14 Thread Ultra Soft Density For use with rotary machine polishers and uses a M14 x 2 thread which is the industry standard for this type of backing pad. Constructed from an impact resistant synthetic nylon plate bonded to a 25 mm thick layer of dense cellular foam it offers great value and efficiency. This backing plate will fit all 5″ and above pads. Foam layer for softness and an angled side mades these pads excellent on flat and curved surfaces. Recommended to use with our 5″ 125mm hook and loop Felt polishing pads 6″ 150mm Foam Pads and 5″ 125mm lambswool pads. These Backing pads are used with M14 threaded polishing/buffing/sanding machines and operate in conjuction with the foam buffing pads, felt buffing pads. Show More Show Less