Junior refers: The term Junior refers to 2000 Watt or 2K light fixture. A Junior typically includes a 1-1/8" spuds or pins attached to the Yoke or Bale and gets mounted into a female receiver on a stand. Knobs on front and rear for focusing from spot to flood for an even field of Illumination. Lighting fixtures larger than a 2K also have a Junior spuds or pins.