Wiha 28506 TorqueVario-S Torque Screwdriver, 10-50 Inch Pound;

TorqueVario 10 to 50 in-lb Adjustable Screwdriver Audible Click at moment of torqueAutomatically resets for next torque cycleEach tool has a unique serial number and certificate of calibrationErgonomically designedHandle sizes proportioned to optimize torque range with comfortTool has 50% more torque in reverse 6% accuracy WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.