Wrench is needed to install pins.
Clamping bushes (.008-.281″) are made of brass, clamping bushes (.281-1.010″) are made of aluminum.
Related products
Measuring/ Inspection Instruments
$55.80
Measuring/ Inspection Instruments
$36.91
Measuring/ Inspection Instruments
$44.02
Measuring/ Inspection Instruments
Insize 4209-1, LONG HANDLE TELESCOPING GAGE, 5/16 ~ 1/2″, 6928640311536
$14.30

Insize 7341-12S, PIN GAGE HANDLE (with 1pc handle and 4 pairs of collecting bushes), .635-.704", 6928640360701 