5PCS 115x22mm Aluminum Oxide Flap Disc Type27 P120 4.5″ Sanding Grinding Wheels

P120 Grit (Fine) – Smoothing & Blending. Abrasive Material: Aluminum Oxide. Coat Type: Closed Coat. Weld Bead Blending & Finishing – Perfect for final smoothing of MIG, TIG, and stick welds on steel, stainless steel, and aluminum, preparing surfaces for painting or further finishing.