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
Insize 4209-4, LONG HANDLE TELESCOPING GAGE, 1-1/4 ~ 2-1/8″, 6928640311567
$16.55
Measuring/ Inspection Instruments
Insize 4209-1, LONG HANDLE TELESCOPING GAGE, 5/16 ~ 1/2″, 6928640311536
$14.30
Measuring/ Inspection Instruments
$33.36

3M 20245, HOOK AND LOOP DISC PAD HOLDER 20245, 7 IN X 7/8 IN CENTER POST 5/8-11 INTERNAL, 7010360340
Norton 66261013403 - 3" X 1/2" Extra Coarse Grade Silicon Carbide Bear-Tex Rapid Strip TR Stripping Disc, 10 Each
Dynabrade 51702 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 60,000 RPM, 3/32" Collet
3M 18444, HOOKIT DISC PAD HOLDER, 5 IN, 7010309484 
