The MBS7500 is our best studio boom arm. It has the features you need for professional broadcast webcast and studio applications. Unlike other models all of the MBS7500 s mechanical components are internal leaving a slim and simple look that takes up less space and matches contemporary studio gear. Steel tension cables work together with springs and large joints to provide 150° of articulation. Positioning is silent and strong handling microphones tablets (with u-Mount series device cases not included) cameras or other gear up to 3.5lbs. The 20 upper arm is terminated with a swiveling steel stem compatible with all standard 5/8 -27 threaded shock mounts and microphones. For permanent installations the MBS7500 comes with a flange mount designed to be screwed directly to the desk or work surface. A table clamp is also included accommodating tabletops up to 2 thick and allowing the MBS7500 to be removed or repositioned without tools or damage to the work surface. Lower arm length: 19.5 Upper arm length: 19.5 Total reach: 36 Mic stem threading: 5/8 -27 Weight capacity: 3.5lbs Construction: Steel with black matte finish