The Kupo Steel Baby Boom is a sturdy chrome-plated support that will handle up to 11 lb of gear at its maximum extension of 7.1′. It has a 5/8″ end stud and will mount onto any grip head via its built-in “ear”. The tail-end hook is handy for sandbags and counterweights. The boom requires a grip head for use, such as the Kupo 2 1/2″ Grip Head with Handle