3M 26053, PPS Series 2.0 Adapter, Type S14, 7/16 Male, 14 Thread UNC, 7100135932 
Insize 6208-80E, UNIVERSAL MAGNETIC STAND, 6928640329784
$72.44
For electronic/dial indicators and dial test indicators.
Magnetic Force: 176lbf
Applicable Holding Stem: 3/8″ DIA
With fine adjustment and dovetail groove
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