Workshop vernier caliper with parallax-free reading and fine adjustment

Chamfered measuring tips for measurements to the root of threads and in narrow grooves. Offset and rounded jaw ends for internal measurements. High-contrast scale. With locking screw. Up to size 300 through hardened, from size 500 measuring faces hardened.
Flat vernier scale for parallax-free reading, direct reading of the internal dimensionsby means of additional scaling; with fine adjustment.