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 20911, PSA Cloth Disc 348D, 50 X-weight, 2 in x NH, Die 200P, 7000118871
Insize 4209-5, LONG HANDLE TELESCOPING GAGE, 2-1/8 ~ 3-1/2", 6928640311574 