Technical Pro Microphone Suspension Crane Arm Adjustable Steel Height 20.9in Ideal for small studios broadcasting and video recording the TPARM1 from Technical Pro is constructed of steel and has an extended length of 20.9 with an articulating joint or elbow thats 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. Spring-loaded Suspension Arm Can support Mic Spider and Holder Can support Mic Pop Filter Desk Mount Clamp Can be swiveled with included mount for smooth precise positioning. Can be adjusted Height for higher and lower and can be adjusted forward and backward as well. Thread: 3/8 and 5/8 Compatible with Web Cameras up to 3 lb Shock Mount Steel Construction Folding and Swiveling Action