Designed for use with lightweight fluorescent fixtures or other devices weighing up to 11.3 kg. Designed to extend from 1.5 to 3 m on a lighting grid with nominal ceiling clearance. Made of aluminium with internally welded safety collars and cast aluminium fittings. The standard bolt end screws into the yoke of the mounted fixture. Or order an adapter pin or bracket. Includes a pipe clamp and safety cable.