Screw In Small Air Valve Control Knobs With Iron Cross

These Screw In Small Air Valve Control Knobs with Iron Cross are a practical and stylish addition to your heavy-duty truck. Made of chrome aluminum, these knobs feature a chrome rim, stainless steel script plate, and a plastic crystal on top. With a 9/16 inch inner diameter, 2 inch outer diameter, and 2 inches high, they fit most heavy-duty trucks from 1990 and newer models. Available in tractor or trailer script and in black, blue, gold, green, purple, red, or silver, these knobs are sold individually. Upgrade your truck's air valve control with these durable and visually appealing knobs.