AntiqueDual # 2 or # 3 Eagle Brand BurnerforOil or Kerosene Lamps or Lanterns Made in the USA One Only!This is a dual burner that can fit a No 2 Oil Lamp or a No 3 Oil Lamp. It has dual threads it will fit either lamp size. The No 2 is 1/3/16" and the No # is 1 13/16". Eagle Brand burners are made in the U.S.A. This kind are hard to find. Maybe it is just what you have been looking for. Also Check out my Esty Store: Just Beachy for Jesus