How to measure
First, ensure that your microphone capsule is between 18-23mm in dimeter. Then, determine the length you need by measuring from the front-end of the capsule to the end of the grille (vents), and add about 1cm to that measurement to ensure a full seal.
Compatibility (including but not limited to)
AKG: CK 8 451, CK 8 460, CK 98 SE300 B
Audio-Technica: AT 835b (AT8035)
Azden: SG(M)-2X (Cardiod)