This Bosch Professional Twin Pack contains the following: 1 x 18V 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: 20+2. Max. Screw Diameter: 10mm. Max. Drilling Diameter: Wood 35mm, Steel 13mm, Masonry 13mm. Weight: 1.0kg excl. battery. 1 x 18V GDR 18V-200 Professional Impact Driver with a compact design, ideal for use in tight spaces. For a better control over speed and torque, this cordless impact driver features a variable speed trigger. It offers also Electronic Cell Protection (ECP) , a LED light and a belt clip. Tool Holder: 1/4in Hex Uni. No Load Speed: 0-3, 400/min. Impact Rate: 0-4, 000/bpm. Max. Torque: 200Nm. Bolt Size: M6 - M16. Weight