Features 1、One side is hook face, can stick with sanding discs, another side is loop face, can stick with sanding pads. 2、Multihole design, avoiding the drifting of harmful dust. 3、Add support to the disc pad for improved abrasive cutting and closer edges sanding. 4、Effortlessly applied between sanding discs and backing pads for quick changes. 5、Reduce the shock of the orbital sanding tool for fine results. Specification It is easy to install, suitable for uneven surface polishing, protections against damage to backing pad. Features: One side is hook face, can stick with sanding discs, another side is loop face, can stick with sanding pads. Multihole design, avoiding the drifting of harmful dust. Add support to the disc pad for improved abrasive cutting and closer edges sanding. Effortlessly applied between sanding discs and backing pads for quick changes. Reduce the shock of the orbital sanding tool for fine results. Specifications: Color: black Material: flannelette+sponge Item size: 125 * 125 * 11mm / 5.0 * 5.0 * 0.4in Item weight: 13g / 0.5ounce Package size: 125 * 125 * 12mm / 5.0 * 5.0 * 0.5in Package weight: 14g / 0.5ounce Packing List: 1 * Sponge Interface Pad Package List 1 * Sponge Interface Pad