QuickT SDA702K 4.5 Inch quick stripping disk is designed for cleaning and removing paint, rust, oxidation, scaling, weld deposits from metal, wood, fiberglass and similar surfaces. Use Cases - Auto body paint and under coating removal, Prepares the surface for painting without damaging the under metal and vehicle body - Welding weld line Scaling, oxidation, Removal and clean up weld lines - Wood surface paint removal and surface preparation for painting - Fiberglass cleanup and surface preparation Improved Quality and Durability Improved premium quality purple extra aggressive discs for higher performance faster cutting and longer life. Clog-Resistant Webbing Design The non-woven nylon webbing to avoid clogging in paint remover disc. Works faster and more effective in removing rust or paint. Works with Angle Grinders 7/8" arbor for for quick connect, designed to work with angle grinders. Fiberglass backing for adequate support for nylon webbing during surface preparation and cleanup. Very effective with paint stripping tool