Adjustable torque screwdriver with patented kraftform handle and rapidaptor quick release 14quot bit holder the torque setting is quick and easy to adjust without the use of additional tools the bit holder is suitable for all standard 14quot screwdriver bits torque range 12 to 30 newton metres measurment accuracy 6 in accordnace with en iso 6789contents includes 1x torque screwdriver 12 30nm1x calibration certificate