Elevate your truck's interior with this vintage-style Air Brake Adapter, compatible with any 1/2 x 13 shift knob. Crafted from high-quality aluminum, this adapter is built to last. The BLVD brand ensures superior craftsmanship, making it a perfect addition to your collection. Not only does it add a unique touch to your truck's interior, but it also offers reliable functionality. This adapter is not universal, so make sure it fits your specific vehicle before purchasing. Upgrade your shifting experience with this Air Brake Adapter. One pair (two) 1 - 5/8" tall high quality air brake knob adapter is for all 5/8 x 11 thread air brake / trailer valves and will turn any 1/2 x 13 threaded size shift knob into an air brake / trailer knob. * Stainless set screws * Hex tool included CNC machined Made In The USA