Features 1、The thread diameter of the product is M2.5. 2、The diameter of the rod is 5 mm. 3、The product adopts standard thread and has strong applicability 4、The product is suitable for dial gauge (please pay attention to the size you need when buying). 5、Fine workmanship, clear thread. Specification Feature: The thread diameter of the product is M2.5. The diameter of the rod is 5 mm. The product adopts standard thread and has strong applicability. The product is suitable for dial gauge (please pay attention to the size you need when buying). Fine workmanship, clear thread. Specification: Thread diameter: M2.5 Rod diameter: 5mm Package list: 1 * Dial Indicator Extension Rod Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product. Package List