Anti-vibration system: Permanently safe, pleasant working conditions with minimum vibrations and outstanding noise damping. StarlockMax tool mounting: Work faster and with higher precision thanks to 100% no-loss power transmission. QuickIN: Tool change in under 3 seconds with a patented, tool-free, FEIN rapid-clamping system. With the StarlockMax tool mounting, you have access to around 180 FEIN accessories in the Starlock, StarlockPlus and StarlockMax performance categories. 450 W FEIN high-performance motor: Durable, overload-proof, high-performance motor with high proportion of copper for higher cutting speed and ultra-rapid work progress.