Hi John...I watched your nitecap when you were indicating your collet chuck. I kept thinking though (yeah, very dangerous, but its also very seldom...haha) in the situation where you had the ground bar in the collet, and holding that in the 4 jaw...why would you not want to indicate off the ground bar in that case, rather than the crapy finish in the formerly threaded end of the collet??
by the way...I love your SNNC's, even if as a damn yank I cant understand half of what you say...hehehe.