These springer style headlight is an updated version of the original headlight used on all Harley-Davidson models from 1936 thru 1954. Fits all FXWG and Softail models from 1980 to present, as well as any Custom application where a bottom mount headlight can be used. Comes with a 12 Volt 55/100 Watt halogen bulb and all necessary hardware. This headlight is 7 inches in diameter .