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
$39.77
Measuring/ Inspection Instruments
Insize 4209-6, LONG HANDLE TELESCOPING GAGE, 3-1/2 ~ 6″, 6928640311581
$16.55
Measuring/ Inspection Instruments
Insize 4209-4, LONG HANDLE TELESCOPING GAGE, 1-1/4 ~ 2-1/8″, 6928640311567
$16.55
Measuring/ Inspection Instruments
$46.70

3M 80510, Roloc Disc 777F, P120 YF-weight, TR, 1 in, Die R100N, 7000045622
Insize 4209-1, LONG HANDLE TELESCOPING GAGE, 5/16 ~ 1/2", 6928640311536 