The Astro Pneumatic Tool 3035 Air Belt Sander with 2 Belts comes with (1) Sanding Belt 80 Grit - 20mm x 520mm and (1) Sanding Belt 100 Grit - 20mm x 520mm. It also includes a simple belt tension lever, belt protection guard and non-slip handle grip. This unit also features variable speed control and increase pulley space for new thicker belts.