With 13000 MAX rpm and 80m/s MAX linear speed, This 20-pack set of zirconia alumina falp disc has a high performance in stock removal, grinding, blending, beveling, deburring, removal of rust and paint, finishing, and other similar applications on metals, non-ferrous materials, fiberglass, plastics, woods, and many other surfaces. It contains 10 PCs of 40 grit, 5 PCs of 60 grit, 3 PCs of 80 grit and 2 PCs of 120 grit. A variety of grits selection, perfectly match your work needs
? MEET ALL YOU NEED - This premium flap disc set includes 10 pieces of 40 grit, 5 pieces of 60 grit, 3 pieces of 80 grit and 2 pieces of 120 grit, which can be used for universal applications, ranging from metal or woodworking, concrete grinding or finishing, stone smoothing or finishing, to rust removal and more - perfectly offers all you need for your projects
? EXTREME DURABILITY AND VALUE - Made of hard zirconia alumina material which lasts longer than standard aluminum oxide abrasive material, built for a more robust and economical grinding wheel
? T29 FLAP DISCS WITH FIBERGLASS BACKING PLATE - T29 flap disc features angled flaps, which can be used for edge-working or contoured applications. These discs are also designed with a greater surface area than flat type for stock removal on horizontal surfaces. Fiberglass creates a strong bond with adhesives and does not contaminate the working surface. Fiberglass backing plate can effectively absorb vibration and bring more stable & efficient grinding
? GREAT PERFORMANCE - Each 4.5" x 7/8-Inch arbor size flap disc is compatible with angle grinders operatable of up to 13,000 RPM. Our flap disc set make it ideal for high performance blending and stock removal on metals non-ferrous materials, fiberglass, plastics, woods and other uneven surfaces.