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The threading is precise enough that the basal ring stays locked in place during use, which was my main worry after losing the original. It’s clearly machined to spec, and assembly took less than a minute.

Fit perfectly on the right side of my traction device and snapped right into place, so the whole basal ring feels solid again. Was a bit worried about getting the right part, but the build quality is clearly the real deal. Exactly what I needed to keep everything secure during use.