Many luthiers and guitar manufacturers prefer bone guitar nuts for their instruments. This Guitar Bone Bridge has minimal porosity and a great appearance. Its density and minimal porosity are features that yield good intonation and clarity. It is well made of premium material for durable and practical use. Feature - Color: As shown.- Material: Bone.- Size: Approx. 7.2 x 0.83 x 0.6 cm / 2.8 x 0.3 x 0.2 inch (L x W x H).- for durable and long-lasting use.- Smooth surface, flat bottom, polished, highly commendable craftsmanship.- Made of real oxen bone, which can offer a better tone than plastic.- Perfect accessory and replacement for your acoustic guitar.Pcking list: 1 x set of Acoustic Guitar Bone Bridge Saddle and Nut