<ul><li>Cool grinding</li><li>Long lasting</li><li>Equivalent Marquette #57304</li><li>Equivalent Metal Work #08785</li><li>Zirconium surface</li></ul> Product Description Resin fiber sanding discs for grinding, descaling, polishing of welds and paint removal Comes in aluminum oxide and zirconia surfaces Equivalent Marquette #57304 Equivalent Metal Work #08785. From the Manufacturer Resin fibre sanding discs for grinding, descaling, polishing of welds, and paint removal. Comes in aluminum oxide and zirconia surfaces. Equivalent Marquette #57304. Equivalent Metal Work #08785.

SHARK 50800Z-3 5-Inch Zirconium Resin Fibre Discs, 3-Pack, 80-Grit