Auray BA-2EN Two-Section Broadcast Arm For Radio Broadcast, Podcast, Voiceover | Smooth, Noise-Free Positioning 100&#186; Front to Back Movement | Extends up to 40" (101.6 cm) C-Clamp and Surface Mount Included | 5/8"-27 Standard Microphone Thread Whats In The Box: Heavy Duty C-Clamp Mount, Surface Mount, Limited 1-Year Warranty