Made of high-class and safe material, the noise is small, and this guitar nut 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:Black -Material:Metal -Size:5.20X1.40X0.95cm/2.04X0.55X0.37in - After careful polishing, the surface is smooth, so this guitar nut will not damage your guitar strings. - Made of metal material, strong and durable, compact structure, easy to use. - The guitar nut actually creates better contacts to achieve a better guitar tone, 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 , the guitar string has a certain role, which is reliable and practical. Package list: 1 x guitar nut 2 x Screw