ZRAMO TH106 Black Spider Universal Microphone Shock Mount Holder Adapter Clamp Clip for AT2020 USB PR40 RE20 AT4033a AT2050 Large Diameter Studio Condenser Mic Anti-Vibration Mic Holder Felt/foam insert to hold and protect microphone Fits most 48mm-51mm Microphones Material: metal come with adapter screw gold fit for 3/8 and 1cm