The most powerful FEIN cordless drill/driver: with brushless motor, 4-speed gearbox & removable drill chuck (18V/4 Ah). Key Features 4-speed solid metal gearbox. Brushless FEIN Power Drive motor with 30% higher efficiency. Lithium ion storage battery with FEIN Safety Cell Technology. A separate communication cable protects the battery & tool from overload. 3-year FEIN PLUS warranty including battery & charger. Removable solid metal drill chuck / bit holder. Electronic torque setting. Motor & electronics have full dust protection. 1800 screw connections with one battery charge. Fixes 10 x 400 mm screws without pre-drilling. High torques up to 90 Nm. Carbide-tipped clamping jaws are a highly reliable way to hold round drill shafts. Bit holder takes C 6.3 & E 6.3 bits. Magnetic bit holder with high-quality neodymium magnet. Specifications Battery voltage: 18 V Battery capacity: 4 Ah Speed, no load: 400 / 800 / 1 950 / 3 850 rpm max. torque for hard screwdriving operation, approx.: 90 Nm Fastening: 10 x 400 Capacity in wood: Ø50 mm Capacity in steel: Ø13 mm Weight with battery: 2, 0kg Whats Included 2 battery packs 4 Ah (Li-ion) 1 rapid charger ALG 50 1 handle 1 removable drill chuck / separate bit holder 1 plastic carrying case