Hi John,
The Stebcentre has been around for a number of years, it was
originally developed by Gerry Stebbings and sold through a few limited
outlets in the UK and overseas. Robert Sorby have been granted
manufacturing rights in the last few months.
A full test and review is on the Creative Woodturning web site. Click
on the links below.
Regards....Mike Swain
Stebcentre
Review
Creative Woodturning
http://www.creative-woodturning.com/productssteb.htm