The backing pad from SIA is a high-quality eccentric sanding paper specifically designed for use with hook-and-loop sanding discs of the SIAFAST system. With a diameter of 300 millimeters and a length of 300 millimeters, this product offers a generous sanding surface that is ideal for various applications in surface finishing. The one-sided self-adhesive backing pad ensures easy and secure attachment of the sanding discs, while the other side is equipped with a special adhesive layer that guarantees optimal connection with the sanding device. The perforated structure of the abrasive material allows for effective dust extraction, contributing to a clean working environment and extending the lifespan of the sanding paper. Made in Germany, the backing pad stands for quality and durability. This product is sold individually and is an excellent choice for professionals and DIY enthusiasts who value precise and efficient sanding results.