Festool Granat STF sanding discs feature a unique dust extraction hole configuration, making them ideal for processing modern paint systems, particularly VOC clear coats, and hard substrates. They are also suitable for working with plastics, mineral materials, acrylics, and repair compounds. These universal abrasives are designed for painters, varnishers, and drywallers, as well as joiners. The discs have a diameter of 150mm and a grit of 180G, and come in a box of 50 pieces. They work well with Festool sanders such as the RO150, ETS150, and ETS C 2 150.