This Kwik Klip II is a standard glow plug clip, used to heat up the glow plug when starting glow engines. FEATURES: This Kwik Klip comes with a 30" cord for those long reaches. Also it has a shaft size of 1". REQUIRES: This unit requires a 1.5 volt battery. The Kwik Klip can also be used with a power panel, to do this you will need banana plugs, use HCAP0310.