20x15mm x 3mm Shank Small Flap Wheels, 80-600 Grit

Aluminum oxide, resin bond cloth flaps bonded to a center hub with a metal shank attachment. Use with a 1/8" die grinder. Used for finishing contour surfaces, cleaning, deburring and polishing all metals.
Grit refers to the average particle diameter. The smaller the grit number is, the coarser it is. The larger the grit number is, the finer it is.