Made of high-class and safe material, the noise is small, and it can create better guitar tone. It serves as a better string support to provide more vibration and a better upgrade in tone and sustain. With sturdy, lightweight, wear-resistant, durable features, it is a must-have accessory for your guitar. Features -Color:White -Material:Cattle bone - Size: 4.30X0.80X0.60cm/1.69X0.31X0.24in - The guitar nut actually creates better contacts to achieve a better guitar tone, professional and practical. - This bridge string nuts are than plastic bridge string nut, you can get clearer, richer and more stable sound. - In improving the guitar's sound quality, the guitar string has a certain role, which is reliable and practical. - Made of high grade and stable material, the guitar string saddles are durable for long time of use. - You will get these practical and premium guitar string nuts at an . Package list: 4 x guitar upper string nut