Our multi-purpose (ref 50505) Hammer Drill/Driver 60Nm 20V Brushless Technology 2 speeds is your daily professional tool. Multipurpose and robust with a metal self-tightening drill chuck of 13mm. It drills Steel (13mm), concrete (13mm) wood (45mm) at 500-2000tr/min with max torque of 60Nm. Brushless, so less friction with the motor therefore more efficient and less wear-and-tear.