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 Marker Light Visors Pinwheel Chrome Plastic Push-On Adjustable Lug Nut Cover Stainless Steel Double Light “L” Shape Mounting Brackets with 2″ Sealed Lights Backing Plate for Bottom Mud Flap Plates Straight C.B. Antenna Bar Mount DOT-C2 Conspicuity Tape in Red & White 150′ Roll