This Bosch Professional Twin Pack contains the following:1 x18V GSB 18V-55 Professional Combi Drill with brushless motor. Its robust 13mm Roehm metal chuck delivers an ideal power transfer for the widest range of drilling, impact drilling, and screwdriving applications. Electronic Motor Protection prevents overload and ensures a longer tool lifetime.Chuck Capacity: 13mm.No Load Speed: 0-460/0-1, 800/min.Torque (Soft/Hard) : 28/55Nm.Torque Settings: 202.Max. Screw Diameter: 10mm.Max. Drilling Diameter: Wood 35mm, Steel 13mm, Masonry 13mm.Weight: 1.0kg excl. battery.1 x18V GDX 18V-200 Professional Impact Driver/Wrench with a unique 2-in-1 tool holder with 1/4in internal hex and 1/2in square drive. Ideal for the widest range of applications. Its brushless motor and variable speed trigger provide better control over speed and torque. Electronic Motor Protection (EMP) protects the motor against overload and ensures a long life.Tool Holder: 1/4in Hex Uni, 1/2in SquareNo Load Speed: 0-3, 400/min.Impact Rate: 0-4, 000/bpmMax. Torque: 200NmMax. Breakaway Torque: 350NmMax. Screw Diameter: M6 M16Weight: 1.2kg excl. batteryAlso supplied with: 2 x 18V 5.0Ah Li-ion Batteries, 1 x Charger and 1 x Case.