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
$46.70
Measuring/ Inspection Instruments
$33.36
Measuring/ Inspection Instruments
Insize 4209-6, LONG HANDLE TELESCOPING GAGE, 3-1/2 ~ 6″, 6928640311581
$16.55

3M 77197, Scotch-Brite™ Roloc™ Deburr and Finish PRO Unitized Wheel,TR, 3 in x 1/8 in x NH, 8C CRS+, 7100109130, 40/box
Insize 7341-6S, PIN GAGE HANDLE (with 1pc handle and 6 pairs of collecting bushes), .281-.341", 6928640360671 