Insize 3520-50E, DIGITAL INSIDE MICROMETER, 1-2″/25-50mm, 6928640356711

Resolution .00005″/0.001mm.
Button function: on/off, set, inch/mm, ABS/INC.
Data output.
LR44 battery, automatic power off.
Ratchet stop.
Carbide measuring faces.
Optional accessory: data output cable, setting ring (part no. 6313).