With the Facom 805.1, you take every dimensional measurement with total confidence and accuracy. Whether you are inspecting machined parts in the workshop, maintaining machinery, or measuring internal bores and recesses, this mechanical caliper delivers dependable results every time. Thanks to its Class 0 precision standard and 0.02 mm vernier graduation, you can measure internal, external, and depth dimensions up to 150 mm with precision. The matte stainless steel rule eliminates distracting reflections during reading while resisting wear. Fully mechanical in operation, it requires no batteries and is always ready for immediate use.