Description:Spare Bone Bridge Saddle and Nut Mount Acoustic Folk GuitarThis is premium quality cream or ivory colorful genuine carved cattle bone nuts, suitable for retrofitting the standard plastic part on each guitar with a 43mm nut. This nut is 9mm high and 6mm thick with a very slightly curved top and flat sole. This hard-wearing bone nut provides excellent acoustic feedback between the strings and the guitar body, for a hard, crisp sound. These parts are made of bone, which is much harder and will give a better tone than cheaper plastic partsSpecification: Material: buffalo bone. Bone Nut Size: 43mm x 6mm x 8.5mm / 1.69x0.24x0.33 inchesBone Saddle Size: 72mm x 3mm x 9mm / 2.83x0.12x0.35 inchesPolishing Needle Diameter: 0.4mm / 0.5mm / 0.7mm / 0.75mm / 0.8mm / 0.9mm / 1.0mm /1.1mm /1.2mm /1.3mm /1.4mm /1.5mm /1.6mmPackage Included:2x Bone Nuts2x Saddle Bones9x Sandpaper13x Polishing NeedlesNote:The color may vary slightly due to the color calibration of each monitor. Please allow slight measurement deviation due to manual measurement.