Precise External Threading & Grooving Insert RT16.01W-3.00GM

Precise Universal Extension Arm for Indicators - 4401-0113 Unique central locking mechanism. Rigid universal steel arm. Extends up to 12". Both sides are male. One side has M8 X 1.25 X 8mm thread and the other side has 5/16-18 X 8mm thread. Shipping Weight