Forney 71927 Flap Disc, Type 27, 4-1/2 in x 7/8 in, ZA60

Forney blue zirconia flap discs cut fast and outlast sanding discs 10-to-1. This disc also offers great flexibility. It's the ideal abrasive disc for rough or fine finishing. Multiple layers of zirconia cloth flaps constantly exposing new extra sharp grinding points. Laminated by state-of-the-art automated equipment. Reinforced fiberglass backing plate. Each disc is balance tested for vibration-free grinding/finishing. Type 27 wheels feature a depressed center wheel for grinding, notching, and cutting applications. Product Specifications: Wheel Size: 4-1/2 in. Wheel Type: Type 27 (Depressed Center). Arbor: 7/8 in. Abrasive Specification: ZA60. Abrasive Grain Type: ZA (alumina zirconium). Grit: 60 (medium). Maximum Revolutions Per Minute (RPM): 13,300. Tool Type: Right Angle Grinder.