I've replaced the mount that came with my microphone boom and it's a small device but it makes a big difference. The original was too bent (it was stamped and spot welded steel), it didn't have a screw to lock it in position - the boom arm to the point where it practically flopped with some $$ hardware I couldn't risk it. It fits snugly, it's strong, it's easier to tighten, and it stays on my desk.
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