Features:

Material: Natural cow bone (Unbleached)
Fit for most YAMAHA LL & A series acoustic guitar
Nut Size: 44 x 5 x 9mm / 1.73" x 0.197" x 0.354"
Radius: 355.6mm (14")
E to E String Spacing: 37.2mm (1.465")
Saddle Size: 75 x 3 x 9.7mm / 2.95" x 0.118" x 0.382"
Radius: 400mm (15.75")

Package includes:
3x bone nut 
3x bone saddle