Lightweight, compact single-handed delta sander, particularly ergonomic and low-vibration thanks to special balancing for fatigue-free and joint-friendly work. Brushless motor with higher efficiency and longer service life. Electronics include speed preselection in four steps, speed stabilization by means of tachogenerator, soft start, and restart interlock. Electronic speed adjustment allows for material-specific sanding speed. Velcro sanding plate with 10-hole system ensures optimum suction, suitable for all commercially available abrasives. E-signal switch enables simple, safe operation with quick-stop function to prevent the sanding plate from overrunning. Equipped with a disc brake that prevents sanding marks on the workpiece and eliminates the need for expensive rework. Effective dust extraction through integrated self-extraction for dust-free working with filter cartridge. Connection for external dust extraction with a diameter of 27 mm, anti-static suction hose. Impact-resistant filter cartridge with replaceable PES filter allows easy dust disposal or cleaning of the filter with maximum service life. Well suited for overhead work.