Simple belt tension lever; Non-slip handle grip; Variable speed control; Increased pulley space for new thicker belts; 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″