These come in packs of 2. The adapters allow you to attach real Brake valves with the standard 5/8" thread on them to the Patriot and Patriot XL Boxes. When installing be sure to pull the switch out before installing. tighten the adapter on by itself first then install your real brake knobs. *Adapters only. Brake knobs not included. 

Real Brake Knob Adapters 2PK

$12.99Price