Ideal for small studios, broadcasting, and video recording, the WebCamArm 2 Camera Arm from Technical Pro is constructed of steel and has an extended length of 20.9" with an articulating joint or "elbow" that's spring-loaded to allow folding and swiveling action. The arm has 1/4"-20 male threads on its adjustable top base for cameras with matching female threads and weighing up to 3 lb. Furthermore, the arm is counterweighted and securely stabilized by its steel 3.3 lb base. A desk / shelf clamp is included as a mounting option.