Check the listing for details. Radius 360 Drywall Sanding Discs, 9" 120-Grit *25-Pack* Fits PC 7800. Condition: New. Listed at 29.99 USD. 25-Count 9-Inch Round Sanding Discs - 120 Grit - For Radius 360 Sander or Porter Cable 7800 Drywall Sander Full Circle International Premium aluminum oxide abrasive discs with hook & loop backing for use with Radius 360º Drywall Sander or Porter Cable 7800 Drywall Sander.Durable construction for extra sanding lifeAluminum Oxide Grit give consistent finishEconomical sanding sheets for the PC7800High quality sanding product25 Discs per pack Al's Taping Tools is the Largest Drywall Tool Store in the World! We are also a fully equipped, family-owned, and operated automatic drywall tool service center with over 35 years in the industry. We sell and service all major brands of automatic drywall taping and finishing tools. All of our service techs are also fully trained in the operation of the tools we sell and service. So if you are new to automatic drywall tools or have any questions, please give us a call or send us a message. We are here to help. Al's Taping Tools & Spray Equipment815 Tower DriveMedina, MN 55340