Audio 2000's Soft Plastic Microphone Clip Holder Amc4151x2 (2 Pieces) Material: Soft Plastic (Quantity of 2) Size: 32mm Taper Angle: 3 Deg 5/8 " X 27 Brass Thread Type: Microphone Holder (Compatible with Shure, Sennheiser, AKG and some other wired microphone) "Not compatible" for shure sm57