Auray BAI-2N Two-Section Broadcast Arm with Internal Springs Internal Springs for Clean & Sleek Look; Supports Microphones Up to 5 lb 5/8-27 Standard Mic Thread; Fits Mic Clips and Shockmounts Extends Up to 40" and Rotates 360 Included 14" Riser Provides Extra Height Clamp Fits Desktops Up to 2.3" Thick