5" 125mm Interface Pad Hook Loop 3mm Sanding Polishing Disc Backing Pads Cushion

(1) Applies effortlessly between sanding discs and back-up pads for quick changeouts. 3) Protect the sanding pad. 4) Self-fastening Hook and Loop backing. Thickness: 3mm. 2) Help clear dust from the work surface, increasing disc life.

eBay