This Dynalite 9' Medium Duty Air Cushioned Light Stand is constructed with thick-wall, anodized aluminum alloy tubing to deliver an exceptionally high strength-to-weight ratio. It has a standard 5/8" top stud with safety undercut, adjustable base spread and collar-clamping for each segment.It has a black anodized finish with tubular legs which provide a stable base,and feature small holes in the base for casters or anchors.