Description
The 3900A Series Electronic Indicators have simple, powerful, easy-to-use functions, all at an attractive price. Converts inches / metric with the press of a button. Ships with flat back installed, and includes a lug-on-center back as an accessory. Contacts points and extensions are listed below as accessories. To use, please order ADG contact adapter PT24728 to convert the M2.5 x .45 screw thread to #4-48 thread in contacts and extensions.
