In one of the pictures the widest part of the bulb is 0.5 inch - this is not correct! The rounded top measures exactly 0.5 inches. in diameter but near the base where the bulb is clamped it is 3/8" wide. I have a reflector with a 1/2" hole and this bulb did not allow the reflector to seat properly when inserted. I had to send the bulbs back Unfortunately the same image is used for several other bulbs so keep your eyes peeled!
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