Originally Posted by rtj
Ordered this off amazon for $60.
“DIY Ball Turning Attachment for Lathes / Radius Turn Ball up to 38 mm...”
It took 5 weeks for delivery, but other than having to run a tap into the threaded handle hole, it looks like a good deal. It even came with a carbide insert. And, has a smooth ball bearing movement.
Now to STOP doing home improvements and get back on the cars.