Air Brake Valve Control Knobs Tractor/Trailer Screw On Stainless GG#23364-365

img {max-width: 100%; height: auto;} THESE KNOBS ARE MADE OF CHROME ALUMINUM. THEY MOUNT BY SCREWING ON. THEY FIT NEWER MODEL TRUCKS. THE SET COMES WITH A STAINLESS STEEL PLAQUE WITH -TRACTOR- AND WITH A STAINLESS STEEL -TRAILER- ENGRAVED IN THE TOP, PLUS TWO KNOBS. THE PLAQUE IS 1-5/8 INCHES WIDE AND FITS THE TOP OF THE KNOB. THE KNOB IS 1 3/4" TALL AND 2" WIDE AT THE TOP. THE BASE IS 7/8" WIDE WITH A SCREW ON INSERT OPENING OF 3/4". PAIR. NEW.