What Hercules has to say:
The HERCULES Quick-N-EZ Butterfly Clip MH100B connects to a mic stand with the flip lever. Works with both threaded and non-threaded stands. Rubber lined for a secure grip.
Accepts mic sizes: 20 mm - 35 mm (0.8" - 1.4") O/D Fits tubing: 15.9 mm (0.63")