About this item Specification Senray 5 Inch hook &loop backing pad, 2 pack of 5/16″-24 thread backing plate, 12,000 RPM oscillating speed get your work done quickly, compatible with the most of major brands High Quality: Made from the flexible, durable polyurethane, as the more minimizes heat transfer, The core of the plate is reinforced with steel strut to balance and even pressure , our backing pad have a more long lifetime Easy to Use: Premium hook & loop fastener, thick and even-distributed, which can fix the polishing pad, prevents pad shifting and spinning, yet allow for easy removal of abrasive disc without wearing out overall strength Unique Design: The exciting design that tapered edge allows pads to flex and conform to every vehicle curve and contour, providing a smooth and even finish if you turn the pad onto its side accidentally, you’ll avoid damage to the paint surface Multipurpose Application: Universal versions and fits for rotary polishers of 5/16″ thread shaft, widely used for surface polishing and buffing for cars, motorcycles, trucks, suvs, or furniture and personal decoration, etc