The milwaukee m18 bldd combi drill has a brushless motor that is up to 50 more efficient and provides up to 2x longer life compared to standard motors it is the most compact drill driver in its class and delivers 60nm of torque offering the best power to size ratio fitted with an all metal gear case and 13mm metal keyless chuck for quick bit changes and bit retention it also has an on board fuel gauge and an led light redlink overload protection electronics in tool and battery pack deliver best