The Pearl Silver Line™ Aluminum Oxide Maxidisc features an extremely tough Aluminum Oxide abrasive grain. This AL/OX Grain is very tough and is excellent for stock removal. The Pearl Silver Line™ T-27 Flap Disc is excellent for paint removal, blending/finishing, weld bead removal, surface preparation, deburring, grinding and polishing. Call Panther Industrial today to try these top of the line Pearl Redline™ Maxidiscs!