ANNESEY 0.005mm Digital Inside Caliper 5-15/5-25/10-20-30-40mm Rotatable Dial Measuring Bore Groove(Inside 5-25mm)

1. Calipers are usually categorized into two types: inside diameter calipers and outside diameter calipers. 2. A caliper is a gauge with two feet or jaws used to measure distances, primarily for mechanical and other applications. 3. It is suitable for measuring the size of the diameter of the ring groove in the inner hole of mechanical parts, especially for measuring the sealing groove which is deeper and narrower from the end face of the large hole.