Features: FREE power supply included. Add on Service: We can pre-set the torque for you and do a Driver Calibration (with certificate) if needed. Please contact us for details. Motor type: brushless ESD safe: YES Preset: Set torque, NO certificate Calibration: Set torque, WITH certificate Operation: lever Body style: inline Clutch type: auto shut off Torque range - imperial: 0.18 - 1.8 lbf.in Torque range - metric: 0.02 - 0.2 n.m Drive type: 4 mm Speed: 990 (hi) - 650 (low) rpm Length - imperial: 6.8 in. Length - metric: 172 mm Diameter - imperial: 1 in. Diameter - metric: 26 mm Weight - imperial: 0.6 lb. Weight - metric: 0.254 kg Warranty: 2 years Make sure you have the best tool for your assembly line right here on ShopenaSupply.com! See if the HIOS BL-2000 4 mm Adjustable Torque 0.18-1.8 lbs 990 RPM Electronic Lever Start Production Assembly Screwdriver is right for you.