- General tool for measuring the internal size of round stock or irregular shaped objects, such as sculpture, pottery, pipe, etc.
- Made of stainless steel with hardened and finely polished points for precise measuring, ensuring hardness, wear resistance and a long service life.
- The firm joint of calipers use friction at the joint to hold the legs unmoving.
- Inside calipers are commonly designed for measuring hole diameters and measuring distances between surfaces.