1955 CHEVY GUIDE 12-VOLT BULBS WITH NO NUBS FOR THE GUIDE HEADLIGHT ADJUSTING MACHINES. BOTH WORK WELL, (SEE CONDITION DESCRIPTION) THEY HAVE MINIMAL SAND PITTING IN THE LENSES. THERE IS A SMALL APPROX. 1'' SPOT AT THE TOP PART OF THE BULB ON THE INSIDE WHERE I GUESS THE HEAT/SMOKE MAY GATHER AND CAUSE A RAINBOW EFFECT. YOU CAN SEE THE SPOTS IN THE PHOTOS WHEN THE LIGHTS ARE ON, BUT THEY ARE NOT ALL DISCOLORED OR SMOKED INSIDE LIKE THEY ARE GOING TO BURN OUT ANY TIME SOON. NICE ORIGINAL BRIGHT USED BULBS.1955 ONLY, PRIOR TO THE T-3's.