Anti-vibration system: continuously safe and pleasant working thanks to minimal vibrations and outstanding noise insulation. Starlock Plus tool mounting: more work progress and greater precision thanks to 100% power transmission without losses. QuickIN: tool changes in less than 3 seconds thanks to the patented tool-free FEIN rapid clamping system. With the Starlock Plus tool mounting, you can access around 100 FEIN accessories from the Starlock and Starlock Plus performance classes. 350 W FEIN motor. Powerful motor with a high copper content, which is suited to overload for a higher cutting speed and faster work progress. Tacho generator: constant speeds even under load and infinitely variable electronic speed control. Metal gearbox: ability to withstand high loading and outstanding service life because all the gearbox parts are made from metal. Mechanical interface: for stationary operation in the table or drill jig holder or for securing the depth stop. Industrial cable: large working radius thanks to finely stranded 5 metre rubber cable of industrial quality.