Norton Red Heat 6" Hook and Loop Sanding Discs (40 Grit, No Hole) feature aggressive 40-grit abrasive for rapid stock removal on wood, metal, and composites. The no-hole design maximizes working surface while hook and loop backing enables tool-free disc swaps on standard orbital sanders. Red Heat construction maintains cutting performance throughout the disc's lifespan, delivering consistent results for professional and serious hobbyist applications.