1.[ADJUSTABLE]Feel to adjust the Length of the extension Boom Arm from 3.6ft /110cm to 8.2ft/250cm; It can also be rotated to 90 degree which allows you to capture the image under different angle. 2.[DURABLE STAINLESS STEEL CONSTRUCTION]Stainless steel structure is anti-corrosion, anti-rust and long-lasting, enough for long time use, always keep your photographic equipment in when in use..The Crossbar Holding Arm is weight 7.7 lbs/3.5kg. 3.[WIDE COMPATIBILITY]With Universal Baby Pin Adapter, which is a great support for most of photographic equipment, such as softbox, strobe flash, Monolight, LED light, and reflector. Perfect to use outdoor and Studio indoor, giving you a great support to meet various photo or video shooting situations. 4.[2-SECTION EXTENSION BOOM ARM] boom arm is compatible for all light stand, C stand. And built with 2 sections to adjust the lenght, to work with strobe light, softbox, monolight, LED panel, reflector and other photography equipment of different sizes and shapes.