START SLIDESHOWSTOP SLIDESHOW Material Wood Size 11/16" I. D. x 1-7/8" x 1-7/8" high Fits Most 1990+ heavy duty trucks. Features Chrome rim & S. S. script plate on top Unit & Package Sold by each, carded for display Part No. Script 96021 Tractor 96022 Trailer Part No. & Image Selection Screw-In Air Valve Control Wood Knob with Stainless Steel Script Plate Part No.: -- Please Select -- 96021 96022 Combination of product variants is not available Related Products Lighted Bumper Guides 1″ Dia. x 51″ (L) in Rocket Style for Plastic Bumper Spot Light Handles with Crystal on Top Mothers® California Gold® Brazilian Carnauba Cleaner Wax T Quick Air Push & Lock Connect Fitting Hex Flat Top Chrome Plastic 33mm Lug Nut Cover – 3″ (H) Air Pressure Brass Fittings