Features: 1.This product is made of real cattle bone, lightweight and durable. 2.Can help anchor string and adjust it to withstand tension for better performance. 3.Ideal replacement for 12 strings guitar. 4. A replacement bone bridge saddle and nut for fitting to acoustic folk guitar. 5.Great accessory for guitar enthusiasts, which is much harder and will give better tone than the cheaper plastic parts. specification: This product is made of real cattle bone, lightweight and durable.Compensate for the high pitch and improve the sound quality. Can help anchor string and adjust it to withstand tension for better performance. Ideal replacement for 12 strings guitar. Produce clearer, richer and more stable sound. A replacement bone bridge saddle and nut for fitting to acoustic folk guitar. Great accessory for guitar enthusiasts, which is much harder and will give better tone than the cheaper plastic parts. Can improve the overall level of the guitar and play a role in improving the acoustic quality of the guitar, for the replacement of acoustic guitar. s: Condition: 100% Brand New and High Quality Material: Cattle Bone Color: White Suitable for 12 String Acoustic Guitar Nut Size: Approx. 49 x 6 x 9mm / 1.93 x 0.23 x 0.35inch Saddle Size: Approx. 76 x 3 x 13mm / 2.9 x 0.1 x 0.51inch Weight: Approx. 12g Packing List: 1 x Acoustic Guitar Bone Saddle 1 x Acoustic Guitar Bone Nut Note: Please notice that there might be a little color difference caused by different display.