Lightweight, compact one-handed orbital sander, particularly ergonomic and low-vibration due to special balancing for fatigue-free and joint-friendly work. Ergonomically designed, handy grip with soft-grip insert ensures a secure hold and good guidance. Brushless motor with higher efficiency and longer lifespan. The electronics include a four-stage speed preselection, speed stabilization via a tachogenerator, soft start, and a restart protection feature. The electronic speed control allows for material-appropriate sanding speeds. Velcro sanding pad with a 12-hole system ensures optimal dust extraction and is compatible with all standard sanding materials. The E-signal switch enables easy, safe operation with a quick stop function to prevent the sanding pad from running over. Equipped with a disc brake that prevents sanding marks on the workpiece and eliminates the need for costly rework. Effective dust extraction through integrated self-extraction for dust-free work with a filter cartridge. Connection for external dust extraction with a diameter of 27 mm. Shock-resistant filter cartridge with a replaceable PES filter allows for easy dust disposal or cleaning of the filter while maximizing lifespan. Particularly well-suited for overhead work.