Material Chrome Aluminum Size 9/16" I.D. x 2" O.D. x 2" high Fits Most 1990+ heavy duty trucks; specially designed for newer trucks Features Stainless steel script plate on top Unit & Package Sold by each, carded for display Part No. Script 95380 Tractor 95381 Trailer Part No. & Image Selection Large Chrome Screw-In Air Valve Control Knob with Stainless Steel Script Plate Part No.: -- Please Select -- 95380 95381 Combination of product variants is not available Updating... Related Products Medium Duty Trailer King Pin Lock A/C Control Knob for Kenworth W&T A/C Center Vent Cover for Kenworth W Stainless Steel One Piece Rear Light Bars with Oval (6) Lights in Straight Style Extra Large Cross with Small Y3K Light Cut Outs Windshield Snuggy