3M Standard Abrasives Type 27 Unitized Wheel 811821 821 4-1/2 in x 1/2 in x 7/8 in 5 per inner

Manufactured from the highest quality Unitized material. Unique design offers material removal while imparting a final finish. Used in conjunction with, and sometimes in lieu of, a coated abrasive Resin Fiber Disc or Flap Disc. Applications include deburring, cleaning, edge breaking, final finishing, blending and polishing.