Chrome Plastic Gun Cylinder Tractor/Trailer Knob - Thread On

Get a grip! These chrome barrel-style air valve knobs look great and function even better. Choose tractor or trailer engraving. 

• 11/16" I.D. x 2" dia. x 1-5/8" high
• Fits 1990 and newer heavy-duty trucks with thread-on air valve knobs
• Sold individually