The starrett® ec799 series 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 ec799 offers a slim streamlined profile a large clear easy-to-read lcd display long battery life and function buttons for zero and inch/mm. Electronic caliper 0-12"" (0-300mm) w/o output w/plastic case features ul style""margin-top0px; padding-top 5px; padding-bottom 5px;"" lightweight ergonomic design last measuring position retained when shut off large easy-to-read high-contrast lcd digital readout inch/millimeter conversion reads .0005"" or 0.01mm zero at any position fine adjustment thumb wheel hardened stainless steel body auto-off after 30 minutes integrated depth rod