These stainless steel digital calipers measure inside diameter, outside diameter, and depth. Easily switch from inches to millimeters with the touch of a button. Fine-adjustment thumb roller improves reading speed and position-holding lock screw sets length.

An individually-numbered Traceable® Certificate is provided with each unit, that assures accuracy from our ISO/IEC 17025:2017(1750.01) calibration laboratory accredited by A2LA. It indicates traceability of measurements to the SI units through NIST or other recognized national measurement institutes (NMI) that are signatories to the CIPM Mutual Recognition Agreement.”