Diablo StickFast 5-In. 220-Grit Sanding Discs, 50-Pack are for final sanding and surface preparation before applying stain or varnish. Crafted with a premium ceramic grain blend, these discs deliver fast material removal and boast a long sanding life. They incorporate Clog-SHIELD technology, which reduces pitch build-up and clogging thanks to a unique blend of grinding agents. The StickFast backing features an industrial-grade Pressure Sensitive Adhesive (PSA) that ensures a strong and secure bond during use. Model Number: DCD050220P50G