The Pearl Silver Line™ Zirconia Maxidisc features an extremely tough Zirconia abrasive grain. This Zirconia Grain is very tough and is excellent for heavy stock removal. The Pearl Silver Line™ T-29 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 Silver Line™ Maxidiscs!