Hook and Loop Backing Pad Size: 125 x 10mm A durable hook and loop backing pad. For use with hook and loop sponges, bonnets and discs. Width: 125mm. Sponge Thickness: 10mm. Thread: M14. Maximum: 12,500rpm. Compatible with angle grinders and sander polishers. Suitable for: Woodworking, paintwork, metal, and all types of preparation work. Other backing pads, sanding sheets and fitments available in our shop.