Upgrade your old plastic HVAC knobs with some of my billet ones. Feature a unique set screw design with spring loaded ball to get the perfect fit with minor adjustment. Once you're happy with the way it feels going on and off, just set it and forget it. Feels nice to turn also. Comes complete with a set of 3 knobs per order. Updated design change with radius and pocket on top
 
Comes with 3 knobs