This Fein 18V twin pack contains the ASB 18 Q combi drill and the ASCD 18-200 W4 impact driver Both tools are powerful and robust for professional, heavy-duty use. They have compact designs and brushless PowerDrive motors for maximum performance and efficiency. ASB 18 Q Combi Drill Features: Brushless PowerDrive motor for maximum performance, 30% higher efficiency and a longer service life (100% maintenance-free) Compact design for perfect handling, even in confined or awkward spaces High efficiency: drive 750 screws (5x40mm) on just one battery charge (2.5Ah) 2-speed metal gearbox with a switchable striking mechanism for drilling in metal, stone and masonry Mechanical torque setting QuickIN robust metal chuck (120 Nm) with carbide-tipped clamping jaws and high clamping forces QuickIN interface for fast and easy bit changes SafetyCell technology protects the tool and battery against overload, overheating and total discharge MultiVolt interface allows the tool to be powered by ANY Fein Li-ion battery (12V-18V) ASCD 18-200 W4 Impact Driver Features: Brushless PowerDrive motor for maximum performance, 30% higher efficiency and a longer service life (100% maintenance-free) Compact design for perfect handling, even in confined or awkward spaces Electronic 6-stage torque setting prevents screw heads from being torn off 10% more torque in reverse mode for loosening screws that are extremely tight Robust metal impact gear for high durability SafetyCell technology protects the tool and battery against overload, overheating and total discharge MultiVolt interface allows the tool to be powered by ANY Fein Li-ion battery (12V-18V) Contact guard to prevent damage to the gearbox head Comes with: Carry case QuickIN chuck for combi drill 2 x belt clips ASB 18 Q Specification: Battery voltage: 18V Chuck capacity: 1.5-13 mm Max. drilling diameter in wood: 50 mm Max. drilling diameter in steel: 13 mm Max. drilling diameter in stone: 13 mm Fastening: 8 x 300 mm Tapping: M10 No load speed (1st/2nd gear): 450/2000 rpm Impact rate (1st/2nd gear): 7360/32000 bpm Max. torque (hard/soft): 60/32 Nm Torque levels: 22 + 1 Weight (without battery): 1.3 kg ASCD 18-200 W4 Specification: Battery voltage: 18V Bit holder: 1/4\" hex Wood screw diameter: 8 x 200 mm No load speed: 0-1500 rpm Impact rate: 0-3000 bpm Max. torque: 210 Nm Torque levels: 6 Weight (without battery): 1 kg