1. Wide Measuring Range This inside diameter gauge is designed to accurately measure hole sizes, with a broad measuring range of 8–150 mm. It ensures precise and reliable measurements for various applications. 2. Retractable Design Featuring a retractable design, this gauge allows for easy measurement and adjustment of the inner diameter. It can be extended or retracted based on specific needs, offering convenience and flexibility. 3. Adjustable and Precise The adjustable inside diameter gauge provides precise measurements by being set to fit snugly into the hole. Its accurate readings enhance the efficiency and precision of your work. 4. Round Head for Use With a round head design, this gauge is easy to grip and operate. The userfriendly design improves usability and ensures comfortable handling during measurements.