Dial/Digital Indicator Extension Stem Rod SetProduct ID:
This digital dial indicator extension stem rod set consists of six pieces: 1 in, 2 in, 3 in, 4 in, 5 in, and 6 in.
Combine to 0 - 21 in
Compatible with 4-48 indicator tip thread
For an indicator with an M2.5 tip thread (BDLT-102, 103, 202, 203), use our metric extension rod set.