Ivory Bone Slotted Saddle & Nut Acoustic Guitar Nut for 12 String Guitare 100% Brand new,never used Material: Buffalo bone Color: Ivory Nut Size: Approx 49 * 6 * 9.2/8.7mm(L x W x T). Saddle Size: Approx 76 * 3 * 13mm(L x W x T).