The Audio-Technica AT8406 Slip-In Microphone Clamp fits Audio-Technica tapered microphones with T1, T2, T3 and T4 case styles. The clamp features a tapered design to provide a universal fit for all handheld microphones. The metal clamp mounts to any standard microphone stand with a 3/8" stud and features an adjustable, pivoting angle for perfect positioning upward or downward.