Mothers Buffing Ball Powerball Power Cone 5146PowerCone 360 takes Mothers best selling metal polishing tool and makes it even better. The new, patented spherical cone extends its polishing ability and effective surface area to not only polish those difficult to reach areas and broad, curved surfaces with ease, but now you can safely tackle those knuckle busting, backside polishing jobs as well. This means smoother transitions, deeper polishing and less "grabbing" over sharp edges and wheel