Insize 3506-500E, DIGITAL OUTSIDE MICROMETER WITH INTERCHANGEABLE ANVILS, 16-20″/400-500mm, 6928640355592

Resolution: .0001″/0.001mm.
IP65 dust/waterproof.
Button function: on/off, set, inch/mm, ABS/INC, data output.
Data output.
LR44 battery, automatic power off. Ratchet stop.
Carbide measuring faces.
Supplied with setting standards.