3. Nylon Fiber Flap Discs with Sandpaper --- Can removes rust, paint and coatings of irregular curved quickly and easily, without damaging the ; High tenacity fiber, special viscose, to water and oil, long service life. 4. Size Details --- All of angle grinder sanding discs are 4 inch in diameter and 16mm/0.62inch thickness and hole diameter. 1. Unlike other sanding discs and paint removing wheels, these pads have great wear resistance and not damage the aluminum while remove even tough paint in an old airstream. Besides, if you are looking for some wheels to polish stainless steel tube, then our buffing pads make the tube repaired from small scratches and damages and to shine polished. 2. Our sanding grinding wheels set are suitable for angle grinder, polishing tools. Widely used for cleaning, finishing & polishing on metal, stainless steel, glass, jewelry, plastic, ceramics, marble, wood crafts. 5. 8Pcs Nylon Fiber Flap Wheels Set --- Including 2Pcs 120 Grit green nylon fiber flap discs & 2pcs 240 Grit red for high speed sanding and heavy duty removal, delivering fast and long lasting cut, and 2Pcs 180 Grit green nylon fiber grinding polishing wheels & 2Pcs 320 Grit red , suitble for polishing and finishing all kinds of conditions. satisfying your requirements from removal to fine polishing., Weight: 0.7054792384 Pounds, Manufacturer: tiyao