Small size, suitable for and vehicle fixing, or home DIY fixing. The aluminum alloy handle is lightweight and easy to carry for long distance use. The torque is from 1Nm to 25Nm, function and calibration values are stable (corrected value CW+4%). The set is equipped with bit sockets of the usual specifications, which have the advantages of multifunctional use. The fine ratchet can be used in a small space, and the movement is flexible.