HAS A PRO MED JUMBO RE-FRET. I SAY PRO. HAS A COMPUND RADIUS. 7.25" AT NUT, GOES DOWN TO 9.5" AT HEEL. HAD OTHER TUNERS ON AT ONE TIME. HOLES HAVE BEEN PRO REPLACED WITH BUSSHINGS INSIDE , BACK TO PRE CBS SPECS. PICTURES SHOW ALL. ORIGINAL SINGLE LINES BACK ON. I THINK PICTURES SHOW ALL VERY WELL. 1961 SLABOARD NECKS ARE NOT TO BE FOUND ANYMORE. REMEMBER TAKE A CHANCE ELSE WHERE, MAYBE NOT BE HAPPY. MY NAME ON THIS NECK, IT'S THAT GOOD!1961 REFINS ARE OVER 15-18K, 100% ORIG ONES ARE 40K+