Aluminum Screw-On Air Valve Knob with Script Sticker

This high quality Aluminum Screw-on Air Valve Knob with Script Blue Sticker is the perfect addition to your Freightliner, Kenworth, Peterbilt, and other trucks. The screw-on design allows for a quick and easy install, while its aluminum construction ensures a long lasting performance. The Script Sticker is available in blue and black with tractor or trailer script.. Add a stylish touch to any truck with these tractor, trailer knobs.