Simple belt tension lever Non-slip handle grip Variable speed control Increased pulley space for new thicker belts Includes: 1 - Sanding Belt 40 Grit - 3/8"x 13" 1 - Sanding Belt 60 Grit - 3/8"x 13" 1 - Sanding Belt 80 Grit - 3/8"x 13" .