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 20931, PSA Cloth Disc 348D, P100 X-weight, 1 in x NH, Die 100N, 7000118915
Insize 7341-10S, PIN GAGE HANDLE (with 1pc handle and 4 pairs of collecting bushes), .510-.579", 6928640370595 