Martin nut blank.
Bleached bone guitar nut blanks in 3 sizes.
Bone blanks sized for cutting and shaping into guitar top nuts, can be cut for use
on banjos, mandolins, guitars, ukuleles and other stringed and instruments.
Gibson nut blank.
2-3/16" x 7/16" x 3/16"
55.6mm x 11.1mm x 4.8mm