On Apr 2, 8:55*pm, F. George McDuffee gmcduf...@mcduffee-
associates.us wrote:
...
A smaller vise can be handy, especially if you can clamp the
smaller vise in the larger vise as this will allow you to
cut/drill compound angle holes at some cost saving over a
compound angle vise. ...
Unka George *(George McDuffee)

In practice I've only needed to mill a few common angles and a set
like this was good enough:
http://www.cvtech.com.au/tooling/tmaking/sb2.JPG

jsw