Saw this on the StewMac site (but it's sold elsewhere as well) and my first thought was "gimmick". But then I recalled thinking the same thing when the Bridge Doctor came out... and it's proven itself to be a worthy tool in the right situation. So what's the community take on this?
http://www.stewmac.com/shop/Accessories/ToneRite/ToneRite.html?tab=...My second nomination in this particular category would be the StewMac nut slotting gauge. Great little dial indicator, but for setting nut slot heights? Please, old-school feelers and files for me, thankew.
http://www.stewmac.com/shop/Accessories/ToneRite/ToneRite.html?tab=...PS: no particular dig against StewMac.... love 95% of their stuff, if not the prices. Can't win 'em all.