ASG ASG-D35 Digital Torque Screwdriver (1.77-35.4 lbf.in)Features: Add on services: Click and add the service to your cart. Preset Torque Manual Driver Calibration (with certificate) Select units: lbf. in, kgf. cm, or N. m Comes with standard carrying case 1 4 in. hex drive with auto lock bit holder 2. 5% clockwise accuracy Checkout our Torque Conversion Calculator. The ASG ASG D35 Digital Torque Screwdriver delivers precision torque control with digital readout and unit selection in lbf. in, kgf. cm, or