3m Radial Bristle Discs 3/4" Yellow Bristle Brush Satin 80 Grit Coarse 12 Discs Made in USA;

Specifications: - Bristle Disc Diameter: 3/4" - 18mm - Bristle Grade: Yellow - 80 Grit (Coarsest available in 3/4") - Disc Center Hole: 1/16" - 1.55mm - Material: 3M Cubitron and Aluminum Oxide Grains Instructions: · For optimum results use a minimum of 3 discs ganged together, more discs can be used for wider coverage · Recommended speed from 5,000 to 15,000 RPM. · Maximum Operating Speed of 35,000 RPM · Rotation must be with the Radius of Bristles · No compounds, rouges or pastes required -Bristles contain abrasives.