Shure A55M - Shock Stopper for SM58, SM87, SM87A, BETA87A, BETA87C and all other 3/4 Inch and Larger Handles Shure microphone accessory model A55M The Shure A55M Shock Mount Microphone Clip reduces transmission of mechanical noise and vibration by more than 20 decibels Securely attaches Shure models SM57, SM58, SM86, Beta57A, Beta58A, Beta87A, Beta87C, and KSM109 to standard microphone stands Available in black