The Large Wood Air Valve Knob with Stainless Steel Plaque is a practical and durable product that is available in Tractor or Trailer scripts. With a screw-on style mount, this air valve knob is sold individually and can be purchased separately from the UP23358-1 sticker. It fits most truck makes and models, making it a versatile option for truck owners. Manufactured by United Pacific, this product comes with a 6-month warranty for added peace of mind. Upgrade your truck's air valve knob with this high-quality and reliable option.