Adjustable Torque Screwdriver with patented Kraftform handle and Rapidaptor quick release 1/4" bit holder. Pistol grip for easier and safer use at the higher torque levels. The torque setting is quick and easy to adjust using the key securly stored in the handle. The bit holder is suitable for all standard 1/4" screwdriver bits. Torque Range: 25 to 55lbf/in. Measurment accuracy +/- 6% in accordnace with EN ISO 6789 Contents Includes: 1x Torque Screwdriver 25 to 55lbf/in 1x Calibration certificate