- Driver Extreme’s DX stainless steel bar mounts come with heavy duty knurl for firm, long-term grip. The 5/8” diameter of the bar is made to handle all antenna designs existing in the marketplace today.
- 4.5″ M8 Thread Mount
- Best for Top-of-Cab mount positions
- The shorter length bars are made for top-of-cab mounting. For Volvo/Mack and older truck models where the mirror design is normally a top-of-cab bolt location, our 4.5” M8 thread mounting bar (DRX-1750) is the ideal mount for you.