AFTER DECIDING THE REAR SPAR WAS CUT RIGHT I DECIDED TO INSTALL THE REAL CLOSE TOLERANCE BOLTS FOR THE WING, SO WITH A LITTLE OIL ON EACH BOLT SHANK I DROVE THEM IN AFTER REMOVING THE TEMPOARY ONES. THESE BOLTS ARE EXACTLY WHAT THEY SAY, CLOSE TOLERANCE. IT TOOK A HEAVEY HAMMER AND FOR A COUPLE I HAD TO USE THE RIVET GUN TO GET THEM ALL THE WAY IN. HOPE I DON'T HAVE TO TAKE THEM OUT!