The Mega-Baby is designed to allow location style lighting fixtures, (lighting fixtures that normally mount to a 5/8" pin on a floor stand), to be hung from the studio grid. The fixture is mounted onto the Mega-Babyfs chrome plated 5/8 ~ 2-1/2" steel stud. A Spring Steel 1/8" Hairpin safety clip is attached to the clamp with chain. The Mega-Square handle is included for fastening rhe Mega-Baby to the grid without tools