On Tue, 18 Aug 2009 07:40:56 GMT, Stuart Noble wrote:

http://www.tooled-up.com/Product.asp?PID=56514

You can drill a hole and then drag it along at an angle. Bounces around
a bit but never goes out of control

http://www.tooled-up.com/Product.asp?PID=129162

Wonder if that is a little easier to control than a drill? The depth
stop might be useful but will mask what the bit is doing to the brick
work... Also available in 8mm.

--
Cheers
Dave.