Constructed from black anodized aluminum alloy, this boom arm extends from 76 to 135cm and includes a heavy duty sandbag for stability (sand not included Elevates your photography with Adjustable Boom Arm, tool to precisely position lighting and accessories for shot The boom arm for overhead in photo video productions, and even for capturing intricate in product photography With tripod adapter clamp and solid locking systems, this boom arm kits ensures secure mounting and easy adjustment, accommodating wide of studio equipment for professional photographers and videographers to enhances their studio or on location setups