Saf-t-lite light head kits are easy to install and are cost effective when used to repair a light that has been damaged. Fluorescent and LED head kits may also be used to convert an incandescent light reel to a safe, cool operating fluorescent or LED light reel. Simply cut off the incandescent light and install the head and ballast Kit of your choice. Note: when installing a fluorescent head Kit, be sure the correct ballast Kit is used. Do not use a 15-watt ballast Kit with a Stubby or Stubby II light. Likewise, do not use a Stubby ballast Kit with a 15-watt light.