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 Plain Air Valve Control Knob Annual Vehicle Inspection Report with Labels Black Single Light “L” Shape Mounting Brackets with 2 ½” Sealed Light C.B. Aluminum Mounting Brackets Air Pressure Brass Fittings Bottom Mud Flap Plates with Script