The quality of these mics is superb, however I have found the ease of getting mics in and out of them is not that great as the gap in the top is too narrow for most mics cables meaning it usually requires two hands and the grip is strong which sometimes means singers don't push the mics in passed the XLR connector. At least the threading is in no danger of coming loose as is found on many budget clips.
I mainly use Shure microphones (Beta 58, Beta 57 and SM58), and until have now have contended myself with the standard Shure microphone holders that are furnished with each Shure icrophone when one buys it. However, these K&M holders are a rather better and smoother fit, and actually give a stronger grip, because they allow the mic to be slid a bit further into the holder. My only (minor) criticism would be the that the thread adapter that comes with these holders are made from plastic, and does not feel all that solid or strong. However, any standard metal thread adapter (including those from Shure) will fit, or one could also buy the K&M 215 thread adapter.
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