This is a scalloped nut for Fender-type guitars. Some people may not be familiar with scalloped nuts, but they are used on SUGIZO's main Stratocaster (LUNA SEA, X JAPAN) and HISASHI's Zemaitis (GLAY). Scalloping the nut allows you to feel the separation of each string. Please check the size in the photos. String spacing is approximately 7.5mm. This is a flat-bottom type. Made for guitars with a tighter fingerboard radius. #gibson #fender #PRS #Epiphone #zemaitis #ESP #Gretsch #Rickenbacker #Suhr #tokai #Fernandes #Fujigen #Greco #electricguitar #guitarparts #guitarrepair #guitarcraft