WindTech CM-21 Hot Shoe Microphone Clip for Video Camera Compatibility: Video CameraAKG C568, CK61, CK62, CK63, CK68 CK69Audio-Technica AT815b, AT815ST, AT835b, AT897, AT4071a, AT4073a, ATR55. Azden SGM-X, SGM-1X, SGM-2XBeyer MC836, MC837, MCD837Neumann KMR81, KMR82Any Microphone with a shaft diameter of 21 mm.