<HTML>can't afford a laser bill, although the Pearl= River piano factory Tech advisor (saw him in Detroit for the chapter meetin= g) is contempating a laser line to set let-off. I HAVE looked at the ultimat= e system for measuring large jigs, which is a jig transit (WWII airplane fac= tories used them) but this seems overkill since you need a heavy tripod and = expennnnnnsive transit. Neverthless any deviation anywhere on the piano rim,= plate, bridge would show up +-.003. Glenn Coleman williamston, MI</HTML>