Features:HIGH QUALITY: Made of polyurethane, flexible and very durable, it minimizes heat transfer.EASY INSTALLATION: The hook-and-loop attachment system makes disc replacement quick and easy. The buffer pad is suitable for uneven surface polishing, prevents damage to the pad, and is easy to replace.EDGE FLEXIBILITY: Features a unique tapered edge for perfect detail on contoured surfaces, curved to hug the curves of your vehicle, dual-action random track back pad for car detailing.Swing Speed: - Fast and durable swing speed that withstands high frequencies for consistent, smooth surfaces.Wide range of uses: used for most rotating tools, ideal for rust removal and polishing in shipbuilding, metallurgy, furniture, stainless steel, automobiles and other manufacturing industries. Package Includes:1x Sanding Backup Pad Specifications:Material: PlasticDiameter: 5cm(1.97inch)/7.5cm(2.95inch)/12.5cm(4.92inch) note:Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.