Impact Drill GSB 21-2 RCT. The corded GSB 21-2 RCT Professional is a 2-speed impact drill with constant speed and Torque Control for the toughest applications. With its powerful 1,300-watt motor and high torque, it is ideal for heavy-duty tasks. The constant speed function of the impact drill ensures that the selected working speed is maintained even under high load. The Torque Control function allows for torque pre-selection for highly precise work. This power tool is suitable for drilling in masonry, stone, wood, and metal. It is compatible with the GDE 16 Cyl Professional dust extraction system. The GSB 21-2 RCT Professional features functions such as Auto-Lock, Power Control, overload clutch, and speed pre-selection. Included in the package: auxiliary handle, craftsman case, depth stop 210 mm, and 13 mm quick-change drill chuck.