The RM2 is a low profile professional stand mount for most RDE large condenser microphones. It effectively secures the microphone to its stand. It attaches onto the bottom of the microphone giving an easy and suitable attachment system for a large diaphragm condenser microphone. It includes 3/8-5/8" adaptor. Product Features in Detail Low profile professional stand mount The RM2 is a low profile professional stand mount for most RDE large condenser microphones. Convenient attachment system It screws onto the bottom of the microphone providing an easy and convenient attachment system for your large diaphragm condenser microphones.