[Size]: Accuracy:0.001″, 0.100″ per One Revolution, Micro graduations, wide spacing
[Material]: Made of Stainless steel. Hardened steel beam and jaws with lapped measuring faces. The surface is chromed.
[Advantage]: Shockproof.
[Features]: Adjustable bezel with locking device. The rack keeps gear teeth clean.
[Measurement Method]: 4-way measurements: inside, outside, depth, and step length.