Max. Microphone Clip Diameter is 1.26″/32mm. (1) Microphone Scissor Arm Stand (BLACK) + (1) Table Mounting Clamp (BLACK): Ideal for radio broadcasting studio, voice-over sound studio, stages, and TV stations, etc The Scissor Arm Stand is equipped with super-strong spring so that it can stand much more weight. Your microphone is held safely and firmly on this scissor arm microphone clip. The double-braced arms add strength. Extend up to Approx.31.5″/80cm. A standard microphone clip to mount most standard-sized handheld microphone. What’s in the box 1x Lane NB-35 Professional Microphone Boom Arm (Black) 1x Black Table Mounting Clamp 1x Black Microphone Clip.