A necessary tool for craftsmen is a vernier caliper. Measure the inner or outer diameter of the bearing, the depth of the seat, the size of any part, etc. And if it is also digital, then the measurement accuracy increases. Vakind Vernier Caliper is presented on AliExpress. The caliper is made of hardened stainless steel and has a built-in digital micrometer and a large LCD display. Powered by one tablet battery. The unit of measurement in both millimeters and inches. Zero is set in any position. Measurement range from 0-150mm \ 0-6 inches. Resolution 0.01 mm / 0.0005 inches. The tool comes in a case. Includes 2 batteries, manual and screwdriver.
Cost: ~ 590