jim rozen wrote:

The cataract "C" designation basically shows the *largest*
^^^^^^^^???? ;-)
item that can possibly be held in the collet, in eights
of an inch.

So the largest collet one ever sees in 5C, is 1.125 inch,
even though the part won't pass all the way though.

If 5 in 5C is the number of eights, how do you get 5/8 = 1.125?

Ted