Features Versatile Application: Designed for use with various materials like foam, wool, and microfiber, providing flexibility with hook and loop systems for easy disc changes High Oscillation Speed: Capable of operating at up to 15,000 RPM, ensuring consistent and smooth performance for effective sanding and polishing tasks Durable PU Construction: Made from high-quality PU material, this backing pad balances rigidity and flexibility, enhancing longevity and performance across applications Robust Frequency Resistance: Engineered with steel struts in the center hub, this backing plate can endure high frequencies while delivering a flawless finish Universal Compatibility: Standardized size allows this backing pad to fit most air sanders, making it ideal for woodworking, garages, and industrial settings Features: 1、Sponge material, with buffering function, can effectively reduce the damage of vibration to the product. 2、Shake-proof and noise reduction, easy to install. 3、Magic adhesive patch bottom, convenient to use. 4、Four types of cushion pad for your choice, meet your different needs. 5、Especially suitable for pneumatic and electric type of self-cleaning polishing machine and grinding machine. Specification: Features: Sponge material, with buffering function, can effectively reduce the damage of vibration to the product. Shake-proof and noise reduction, easy to install. Magic adhesive patch bottom, convenient to use. Four types of cushion pad for your choice, meet your different needs. Especially suitable for pneumatic and electric type of self-cleaning polishing machine and grinding machine. Specification: Material: Sponge Weight: Approx. 15g/0.5oz Diameter: 125mm/4.9inch Thickn: 12mm/0.5inch Hole Quantity: 5 holes, 6 holes, 8 holes (Optional) Package List: 1 x Soft Sponge Pad Package List