Add to Cart Lifetime Engraved Maltese Cross Tractor Trailer Air Brake Knob Set Lifetime Nut Covers MSRP: $227.95 Now: $193.76 Was: Lifetime Engraved Maltese Cross Tractor Trailer Air Brake Knob Set Maltese Cross Air Brake Knobs Includes Both Tractor and Trailer Engraved Knobs Constructed From Chrome Plated Billet Aluminum Includes Screws Sold as a Pair Quality American... MSRP: $227.95 Now: $193.76 Was: Add to Cart