Special measuring tool for determining size of working end part of slotted screwdriver

The invention relates to a special measuring tool for determining the size of the working end part of a slotted screwdriver, which comprises a body, the body comprises a determination assembly, the determination assembly comprises a first determination part and a second determination part, and the first determination part and the second determination part are both provided with smooth surfaces; the special measuring tool has the advantages that the working end of the slotted screw driver is judged and detected through the determination assembly arranged on the body, and the determination assembly is matched with the working end of the slotted screw driver, so that during detection and determination, the size of the working end part of the slotted screw driver can be determined only by sliding the working end part of the slotted screw driver from the determination end to the other end of the detection part, so that the detection process is simplified, the detection precision is high, the working intensity of o