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This hub fit perfectly on my mini lathe, and the M8 threaded handle attachment is solid and doesn't wobble at all. Installation was straightforward, and the cam lock mechanism feels sturdy during use.

The three openings are exactly as listed, and the M10 shaft fits my mini lathe's cam lock without any wobble. The M8 threaded handle seat is cleanly machined, so the install took under five minutes. Just what I needed to get the tailstock solid again.

The three openings lined up perfectly with my existing M10 shaft and M6 set screw—no re-drilling needed. Swapped the old hub out in about ten minutes flat.