12Pcs Real Bone Material Bridge Pins for Mother of Pearl Acoustic Guitar DotFolk guitar consists of 6 chords. From the point of classification of guitar string nails are divided into ivory nails, animal bone nails, wood and plastic string. Common plastic string nails are soft and weak, with short residual sounds and dull sound quality. Ivory nails and animal bone nails have powerful pronunciations, macro amounts, long residual sounds, and clear sound quality. Because it is like a protected animal, high-end violins use animal bones as string nails (such as cattle bone and camel bone). Facts have proven that string nails have a significant effect on improving the sound quality and volume of the rail, single plate and single plate. Material: Cowbone + Green ShellProduct Specification: 8x30mm DiameterColor: WhitePackage Included:12x Wooden Guitar Foot BridgeOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.