On-Stage MY320 Shock-Mount Dynamic Microphone Clip MY-325 Dynamic Shock-Mount Microphone Clip Designed to reduce the effects of low-end rumble and floor vibrations 5/8" 27 female threaded insert in a plastic base, 25mm opening for dynamic mics Designed to reduce the effects of low-end rumble and floor vibrations 5/8" 27 female threaded insert in a plastic base, 25mm opening for dynamic mics