This Impact Light Stand is heavy duty, black aluminum, with sure-twist section locks and air cushioning. Air cushioning gently lowers the light, preventing damage to light fixtures and fingers when section locks have not been properly tightened. Maximum Height: 9.6 ft (2.9 M) Minimum Height: 3.75 ft (1.1 M) Closed Length: 3.75 ft (1.1 M) Footprint Diameter: 3.75 ft (1.1 M) Maximum Load: 22 lbs (10 kg) Weight: 4.2 lbs (1.9 kg) Accepts Wheels: Yes- (1025) Attachment Size: 5/8 in stud with 1/4-20 in threaded tip Air Cushioned: Yes Warranty: One Year Manufacturer"s Warranty Three Section stand Will easily support up to 22 lbs (10kg) of lights with accessories Optional casters available