The Audio-Technica AT8427 Snap-In Microphone Clamp fits Audio-Technica handheld microphones with S1, S2, S3, S4, S7, S8, S9, S10, SG1, SG2 and SG3 case styles. The AT8427 features a crescent design to provide quick installation and release for all compatible 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.