Blue Pearl Peterbilt Air Brake Knob

2-1/8" diameter tractor and trailer air brake knob. For threaded dash air brake valves. Made with a polished billet collar with the correct built in thread. Also features a set screw in the collar to align the knob with logos, etc. to keep them tight. 

• Blue
• Made in the USA
• Sold individually

Get the matching pearl shifter knob here!