With positive adjustment screw. An outside caliper is used for measuring the external size of an object, such as the thickness or outside diameter of an object. The design of outside calipers consists of a pair of arms or jaws which curve inward.
The 8" outside caliper allows you to take measurements without destroying or disturbing the object being measured. You can can extend the arms, and then tighten them around the object which is important when working with rare or valuable objects.
8" Outside Caliper Specifications:
- Hardened and Tempered.
- Spring Loaded.