Neewer&reg; Pro 10 Feet/3M Aluminum Alloy 3 Section Telescopic Background Support Cross Arm Crossbar(Black) Made from aluminum alloy with a professional black satin finish. Folds up quickly and easily. Adjustable cross bar4 feet/12cm to 1feet/3cm adjustable. 3 section telescoping bar. Fit on any standard light stand 5/8" stud.