Gator 2 In. Grinding Surface Sanding Disc, 50 Grit professional quality for fast and efficient grinding, blending, leveling, and finishing of metal surfaces. Designed to quickly and securely lock into place with just a twist, this disc is for use with a 2" back-up pad in a die grinder or electric drill. It operates at a maximum speed of 25,000 rpm, ensuring powerful performance. The disc features a 2-inch size with 50 grit coarse zirconium oxide grain and a resin bonded backing material for durability and effective grinding. Available in a convenient package of three discs on a card, it delivers reliable results for your metalworking needs. Model Number: 2229