Insize 3533-50BE, DIGITAL SPLINE MICROMETER, 1-2″/25-50mm, type B, 6928640355851

Resolution .00005″/0.001mm.
Measure splined shafts, slots and keyways.
IP65 dust/waterproof.
Button function: on/off, set, inch/mm, ABS/INC.
Data output. LR44 battery, automatic power off.
Ratchet stop. Carbide measuring faces.
Supplied with setting standards (except 0-1″/0-25mm).