AT8491P Piano Magnetic Mount for ATM350 Instrument MicsThis magnetic mount attaches to a pianos cast iron frame or other metal part, allowing you to easily position an ATM350a Cardioid Condenser Instrument Microphone with accompanying gooseneck exactly where you want it. Whether set up vertically or horizontally, the mount stays where it is placed, but can also be repositioned with ease. The AT8491P piano mount includes a screw to lock an AT8490 or AT8490L (long) gooseneck into the mounting socket, and