Set of 6 5cm bristle discs, 50 lb, 80 lb, 120 lb grit, with 6.35mm shank, for removing abrasive coatings from metal

DIAMETER - 5 cm. Comes with a 6.35 mm shaft. MATERIAL USED - Green grit 50#, yellow grit 80# - For hard metals such as steel. White grit 120# - For soft metals such as aluminum. Different grits to meet your needs. WIDE APPLICATIONS - For deburring, leveling, finishing, polishing, cleaning, and removing coatings more effectively, with less pressure than with wire brushes. EXCELLENT QUALITY - The flexible bristles require less pressure than wire brushes, offer better surface contact, and retain their abrasive properties throughout the disc's lifespan. COMPATIBILITY - Compatible with most multi-tools, such as electric drills, mini grinders, and rotary tools. Recommended rotation speed between 15,000 and 25,000 RPM.