TN-48-BN Salvador Cortez genuine replacement part TN-52-BN Salvador Cortez genuine replacement part UKS-001 Korala Performer Series original replacement part UKT-001 Korala Performer Series original replacement part UKB-001 Korala Performer Series original replacement part UKBB-001 Korala Performer Series original replacement part BN-4 Boston top nut BN-5 Boston top nut BN-6 Boston top nut BN-8 Boston top nut for electric guitar BN-8U Boston top nut for electric guitar BN-13 Boston top nut BN-7 Boston top nut BN-7A Boston top nut BN-9 Boston top nut for electric guitar BN-9U Boston top nut for electric guitar BN-9A Boston top nut for electric guitar BN-9AU Boston top nut for electric guitar BN-11 Boston top nut for electric guitar BN-11U Boston top nut BN-10 Boston top nut for arched top guitar BN-12 Boston top nut for bass guitar GRTN-425 Boston top nut NR-01 Boston metal nut raiser 0048649049 Fender Genuine Replacement Part fingerboard nut 0994920000 Fender Genuine Replacement Part fingerboard nut 0994921000 Fender Genuine Replacement Part fingerboard nut 0048650000 Fender Genuine Replacement Part fingerboard nut 0073916049 Fender Genuine Replacement Part fingerboard nut MC-1000-00 Graph Tech NuBone master luthier kit: 9 type nuts + 3 type saddles « 1 2 4 »