Inexpensive Digital Calipers
Measures outside, inside, depth, and step
I don’t know how I went so long without digital calipers, but I finally got them a few years ago. This cheap set of digital calipers can measure inside diameters, outside diameters, and depths of things up to 6 inches. The display is digital and you can choose between inches and millimeters.
This tool was recommended by John Park on the Cool Tools podcast. Listen to the full podcast here.
10/1/21Electronix Express 0604CAL6++ LCD Digital Caliper with Extra Battery and Case, 6"