Special Line SGP includes products engineered for specific tasks that offer the user key advantages over conventional products. This quality line also includes products that, due to their particularly high performance, offer ultimate economic efficiency. Users who rely on top performance choose the POLIFAN-STRONG flap disc. It surpasses conventional flap discs and redefines the highest levels of efficiency. With its patented and unique design, it achieves an unsurpassed stock removal rate. It also has an astonishingly long service life over conventional flap discs. The innovative POLIFAN-STRONG flap disc is unique and has a particularly high performance level. Due to its patented design, it offers significantly higher economic efficiency compared to conventional flap discs.