Rupes Random Orbital Polisher 21 Mark III (LHR21III/STD) is a professional-grade dual-action (random orbital) polishing machine designed for fast paint correction and premium finishing on large vehicle panels. Equipped with a 21 mm orbit, 150 mm (6") backing pad, and a 500W high-efficiency motor, it delivers excellent cutting performance while producing a swirl-free, hologram-free finish. The Mark III series features improved ergonomics, a progressive trigger, electronic speed control, and a low-vibration design for maximum operator comfort and consistent polishing results.