The Shure A55M Shock Mount Microphone Clip is a high-quality isolation mount and swivel adapter for just about any tapered mic, including the Shure SM57, SM58, SM86, Beta 57A, Beta 58A, Beta 87C, and KSM109. Its standard threads let you use it with a broad range of mic stands and boom arms, its full-circle design provides a secure hold, and its built-in elastics keep unwanted vibrations from rattling your mic.