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")

Bridge Pin Size:
Total length: 28mm. 
Head diameter: 7.8mm.
Collar diameter: 5.3mm. 
Bottom diameter: 4.2mm
Shank length: 21.1mm. 
String slot: 2mm.
3° Taper

Package includes:
1x bone nut 
1x bone saddle
6x bridge Pin
1x Pin puller