Hi all Thank for all the reply's about "Tufnol" and not tufnell. I promise I will learn to spell one day. Now next question would a Tufnol disk between 1/4" and 1/2" make a good rotor for a RSG. Cheers Mike Tucknott ----------------------------------------------------------------------------- "He tames the thundering bolt of jove and annihilates time and space" Nikola Tesla 1906 -----------------------------------------------------------------------------