Where does one get the plastic knob handles with 1/2" bolt screw x 13treads for my belt grinder's tightning bolts on the tool arm, and all the rest I need instead of using a 3/4" wrench
MA-48452 #4 x 1/2-13 x 1.18Scw ProjectngStudAdjustClampLever
Fastenal Part No. (SKU) 3125504
Manufacturer Part No. MA-48452
UNSPSC 31162801
Manufacturer Monroe PMP