Capri Tools 30033 Pound Torque Screwdriver, 10-50-Inch Factory calibrated with test certificate included with the torque screwdriver Desired torque measurements are clearly indicated by meter window. 10-50 in-lb increments of 5 in-lb Lock torque setting enables continuous use without resets; ergonomically designed soft-grip handle Torque screwdriver with long shank, 1/4-inch drive This set Includes 20 pieces of Chrome-Vanadium bits and an adapter