|Set of four gauges for -3, -4, -5, -6 rivets. Each gauge measures Minimum height and Minimum diameter of shop heads AFTER setting. Eliminates guessing if your rivets are properly set. Works for measuring both universal head and flush rivets. Precision machined to size from 2024 aluminum. Rivet size permanently stamped on each gauge. Color coded anodized finish.|
Yes, each tool is engraved for size. There is a -3, -4, -5, and -6.
No, these do not come with calibration certs. They are made with a stamping die so there are no guidelines to calibrate this tool. The Gauge is just an aid, which makes technicians have a quick measurement.