Detection tool for mounting hole of B pillar of vehicle

The invention relates to a detection tool for a mounting hole of a B pillar of a vehicle. The mounting hole comprises a base, a handle, a positioning unit and a measuring unit, wherein the handle is arranged behind the base, the measuring unit is arranged at the right side of the base and comprises two detection pins, the positioning unit comprises a positioning hole and a standard block profile, the positioning hole is arranged in the upper front portion of the base, and the standard block profile is arranged on the lower front part of the f base. The detection tool is fixed by a nylon block profile for better fitting the profile so as to achieve the firmness when the handle is detected, reduce the size deviation and stabilize the qualified rate of the product. The base is a casting piece which ensures the service life of the detection tool. Manual detection means is adopted, and operation is easy. A detection pin is used for manual detection, thereby preventing parts from being damaged during use, and the o