Festool 577537 DTSC 400 / DTS 400 REQ Delta Protection Pad is designed to protect the sanding pad and its fastener from wear, significantly extending their lifespan. This protection pad attaches quickly and securely to the sanding pad using the fastener, without the need for any tools. It is specifically made for use with abrasive mesh measuring 100x150 mm, delta shape, making it i for working with very abrasive materials. The pad also features full-surface extraction, which is beneficial for painters, varnishers, drywall installers, and joiners who require efficient dust removal and long-lasting sanding performance. Model Number: 577537