PFERD TOOLS POLISTAR-TUBE Abrasive Star, 4" dia, 8 Layers, 5mm Bore,240 Grit, Aluminum oxide

POLISTAR-TUBE products are made of multi-layered cross buffs that are riveted together. They are designed for working on the inner surfaces of pipes and pipe bends. Use cross buffs with the suitable flexible shafts 7 PST-T DIN 10/M5 (EDP 94274).