Sorry GF don't know but I figure a bit of time with a bench stone would do the job pretty well... Isn't flattening the convex side all you are doing if it's a Busse assy'?

My Scrapper has now been uprated from a banana to a melon slice- by Xmas 07 it may even be really sharp! Thom where is the tutorial?? <img src="/ubbthreads/images/graemlins/crossfingers.gif" alt="" /> <img src="/ubbthreads/images/graemlins/thumbup.gif" alt="" />

I hope the INFI stuff comes sharper...