4 times the screwdriving speed thanks to the turbo function purely mechanical – without battery Activate and deactivate the turbo function by a simple push of a button Turbo function especially for smooth couplings Can be used without the turbo function like a normal screwdriver for couplings with steadily increasing torque Robust, maintenance-free gear made of steel, Weight: 0.4188782978 pounds, Manufacturer: WERA