Sanford; No, No, the Oneway Talon is about the same size as the Onyway,
only it uses a key to operate instead of two bars. Some turners find the
key more convenient (or easier). The Talon and the Oneway have many jaws in
common.
There is no groove in the Nova body to accommodate the Oneway safety pin; it
must be removed to put the Oneway jaws on a Nova body.
I find the Nova a PITA to use. The floppy around key and now the floppy
around T-hex key (on the Super Nova 2) is very annoying - you cannot let go
of it to change your grip.
Stick with one brand, you will save yourself a lot of hassle.
Edward