Ergonomic design for easy working and GripZone - rubberized anti-vibration grip surface for secure hold and comfortable working. Switch lock for continuous operation. Integrated dust extraction for a clean working area. Sanding disc with Velcro fastening for easy and quick change of sandpaper. Offers up to 50 minutes of operation with the 18 V / 5.0 Ah Lithium+ battery RB18L50. Supplied without battery and charger.