The Boom Arm Kit with Lightstand is a great addition to any studio. The Light Stand is one of the most economical light stands available. It extends to a maximum height of 8’6″, and has a 5/8″ stud top with a 1/4″-20 thread. With this kit comes the Boom Arm. The StudioPRO Basic Boom Arm is a transportable boom kit that provides a method to position light fixtures, reflectors and softboxes above a subject. This kit is equipped with a sandbag/5kg weight for a counterweight. It can be mounted to a stand or held by an assistant. Sand not included.