The 3M™ Conditioning Brush helps remove residue from foam and wool buffing pads. This bristled brush quickly and easily cleans away the waste material that can diminish the effectiveness of the pads.Over time, foam and wool buffing pads pick up residue that reduces their effectiveness in an automotive shop. That's why having a 3M Conditioning Brush on hand is a wise choice. This specialty brush can clean away the residue that accumulates during typical buffing procedures, restoring the pads to a more optimal condition.