Tear-resistant, high-performance abrasive belt with a high removal rate Ideal for rough sanding on stainless steel, steel, and metals Waterproof Comes with added sanding active fillers in the site coat that boost abrasive performance (especially on stainless steel) as they keep the abrasive grain from vitrifying prematurely Zirconia alumina is a self-sharpening grain which proves to be tougher than regular aluminum oxide The grain is bonded with premium, fully synthetic resin which, along with the close coating, contributes to the superior removal rate and long service life of the belt Abrasive Material Zirconia Alumina Backing Y-Polyester Bonding Agent Resin Coating Close Colour Blue Dimensions 4" W x 137" L For Use With Wide Belt Machine, Hand Tool Belt Machine, Pedestal Sander, Centreless Sanding Machine, Surface Grinding Machine Grit 80