Features MATERIAL DETAIL: Made of high quality polyurethane and volcanic fibres with 8 vacuum holes, sturdy and durable. EXCELLENT PERFORMANCE: This polisher backing plate is durable and does not clog, does not damage the surface of the workpiece, has good smoothness and a good effect. Main use: cross hook to reduce dust accumulation and ensure strong adhesion between sandpaper and adhesive disc. Ideal replacement: wonderful replacement for old and damaged parts, good workmanship, attention to detail, helps you improve work efficiency! Easy to carry: thanks to its small size and light weight, this sanding disc carrier pad is easy to transport and convenient to use. Specification: Item Type:Polisher Backing Plate Product material: polyurethane, volcanic fibre. Application: for fixing sandpaper Diameter: approx. 125 mm / 4.92 inches. Package list: 1 x polishing backing plate. Package List 1 x Polisher Backing Plate