The Sennheiser MZA 421 Lock-on stand adapter, fits into
slot on underside of MD421 (3.0 oz). Essential Sennheiser Lock-On
Microphone Stand Adapter for the MD421 II.
The Sennheiser MZA 421 is designed for the Sennheiser MD 421 II
microphone. This stand adapter goes straight on to a standard
microphone stand.
The main features of the Sennheiser MZA 421 include:
Essential Sennheiser Lock-On Microphone Stand Adapter for the
MD421 II