Wrench is needed to install pins.
Clamping bushes (.008-.281″) are made of brass, clamping bushes (.281-1.010″) are made of aluminum.
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3M 76625, Roloc Disc 777F, 80 YF-weight, TR, 1 in, Die R100N, 7000045621
Insize 4209-2, LONG HANDLE TELESCOPING GAGE, 1/2 ~ 3/4", 6928640311543 