Two orbit size settings: a 3 mm orbit for fine finishing & a 6 mm orbit for fast material removal. Controlled finishing system eliminates start-up scratching by keeping the sanding pad at a controlled speed. Variable speed for heat sensitive sanding, polishing & superior finishing. Uses hook & loop paper for fast changes. Dust sealed switch & bearings for a long life. Integral dust collection assists in producing a safe working environment & helps to extend sand paper life.