Dry Ice A975 paper rolls have a seeded-gel ceramic alumina abrasive for the fastest cuts and longest life of any paper roll. Spiral vacuum-hole design maximizes dust removal. Water-based stearate coating offers load resistance and no color transfer to work. Fiber reinforced, latex saturated B-weight paper backing is strong and flexible. Hook and loop back allows quick, easy attachment and clean removal. Rolls are perforated at 2-3/4 for ease of use on all standard lengths of hand blocks and file boards. Paper rolls provide a cost-effective alternative to sheets. For use with metal, wood, composites, fillers, sealer sanding and paint stripping. Package of 4.