Quote Originally Posted by h4ppy-chris View Post
what are they for?
it does look like you can have hours of fun with them :rofl:
Well i don't know about hours, few minutes maybe. They have been made for someone to use in demonstrations and have some fun.

Quote Originally Posted by Jonathan View Post
Nice...I once made cylindrical version of that.

How did you hold it in the chuck? Soft jaws machined to fit?

Very effective, though kind of cheating rolling them with one soft surface.
They are cylindrical, no i didn't use soft jaws and i am rolling them using shiny clear perspex which is nice and hard.

Phil