0- 6" Stainless 4 Way Dial Caliper .001" Shock Proof

[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.