Resolution .00005″/0.001mm.
Measure pitch diameter of screw threads.
Button function: on/off, set, inch/mm, ABS/INC.
Data output.
LR44 battery, automatic power off.
Non-rotating spindle. Ratchet stop.
Supplied with 60? setting standards (except 0-1″/0-25mm).

Insize 3229-19, TUBULAR INSIDE MICROMETER, 18-19", 6928640356896
Dynabrade 07109 Vane Set (5pk) 