Usage Tips:Features:* 2pcs 5 inch (125mm) 8-Hole Soft Sponge Interface Pad for Sanding Pads and Hook Loop Sanding Discs for uneven polishing surfaces.* Add support to the disc pad for better abrasive cutting and closer edge sanding.* Effortlessly applied between sanding discs and quick-change pads.* Hole configurations help clean dust from the work surface, increasing disc life.* Reduce vibration of the orbital sanding tool for best results. Specifications:* Product Name: Sponge Interface Pad* Diameter: 125mm/5in (Approx.)* Total Thickness: 12mm (Approx.)* Density: Soft* Number of Holes: 8 Holes* Connection Mode: Hook Loop* Quantity: 2 Pcs Package Content: 2 * Sponge Interface Pad Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.