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 Turn Signal Handles with Crystal on Top Black Rubber Top Mud Flap Bottom Mud Flap Plate with 3 Holes Universal 3 Piece Front Axle Covers w/ Cone Hub Cap Stainless Steel Double Light “L” Shape Mounting Brackets with 2 ½” Sealed Lights Small “Z” Shaped Light Bracket Kit with 5″ Clear Sealed Beam Light