The AT8491U universal clip-on mount features rugged metal construction and rubber-lined clamping jaws with a locking screw to safely and securely mount an ATM350a Cardioid Condenser Instrument Microphone with accompanying gooseneck to an instrument or other surface. Mount includes a socket with locking screw to securely hold an AT8490 5" or AT8490L 9" gooseneck.