Starrett - Digital Caliper - 799A Series

The 799 Electronic Caliper is light, comfortable, easy-to-use, and
constructed with features that have made Starrett slide calipers the
machinist's first choice for many years.
The 799 offers a slim, streamlined profile, a large, clear, easy-to-read
LCD display, long battery life, and function buttons for zero and inch/
mm.
799 are available in 0-6", 0-8", and 0-12" sizes and the newly
available extended range 24" and 40". All sizes furnished in a fitted,
protective case.