CENTROTEC quick-change system, angular and off-centre piece and depth response for faster drilling and screwing, Convenient clutch setting function keeps the torque set even when you switch from drilling to screwing,The maintenance-free EC-TEC motor consumes only the amount of power needed for the job, It is the ideal combination with the Li-HighPower Compact battery, This battery guarantees consistently high power - and yet weighs only 600 grams. The screwdriver and battery are naturally covered by the comprehensive Festool Service warranty,