Starrett F2730IQ Digital Indicator, .5"/12mm Range, .0005"/0.01mm Res., 3/8" Stem

Description

The 3900 Series Electronic Indicators have simple, powerful, easy-to-use functions, all at an attractive price. The 3900-5 has a .500" (12.5mm) range, .0005" (0.01mm) resolution and 3/8" stem diameter and a #4-48 spindle thread. Converts inches / metric with the press of a button. Ships with flat back installed, and includes a lug-on-center back as an accessory, along with a plastic storage case.