Give your shooting sessions the practicality they require with the Tether Tools - Rock Solid Master Articulating Arm RS221. Featuring a tough metal construction, this articulating arm is immensely durable. It is expandable up to 21 inches and can be mounted on most tripods. This articulating arm is useful for mounting essential devices such as a monitor. For added versatility and flexibility, the central elbow of the Tether Tools - Rock Solid Master Articulating Arm can easily swivel in a 360° angle.