From Manufacturer
The Sennheiser Clip for Right Angle Lavalier Microphone MZQ100GR (gray) is a simple clip that offers you the ability to perfectly position your Sennheiser right-angle lavalier microphone. This unit is gray and features a flexible quick-release stand adapter for 19-23 mm diameter microphones.
Perfect Microphone Positioning
Place your microphone exactly where you need it with this convenient clip designed to work with Sennheiser microphones.