Production wrench with ratchet head."Click" type torque wrench. The torque is set against the torque meter. Safe locking of the set torque. The set torque has an accuracy of ±3%. When the torque is reached, a clear "click" is heard and felt from the wrench. Made of steel, which makes it suitable for industrial use. Very long life, tested over 100,000 pulls with maintained precision.000 pulls with maintained precision. Can be ordered with desired torque. Loose setting key for torque tools model QSP and CSP.ModelsQSP6N4 1-6Nm, length 165mm, 1/4" square QSP 12N4 2-12Nm, length 175mm,1/4" square QSP 25N3 5-25Nm, length 215mm, 3/8" square QSP 50N3 10-50Nm, length 250mm, 3/8" square QSP 100N3 2-100Nm, length 330mm,1/" square