Speaking of tightening...

Found and old LW from a 10/22 that the base mounting holes were goofed up, so I figured we'd play a bit. Using a 19mm socket as my "scope" (measures 1.04") I grabbed the fat wench and tried to blow the top half. Started at 20# and at 45# the first head popped. 50# a few more popped and drive bits started coming apart. Found a hairline crack that seems to be skin deep. Put the top in a vice and gave it a squeeze and it's still not broken. Recesses aren't puckered either. I wouldn't hesitate to use it. You can see the line above the bit.

[Linked Image]

Actually tougher than I thought.