One pair of 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
Pair of Air Brake Adapter - Use with any 1/2 x 13 knob
$32.00Price