Description: 【Material】: Crafted from cow bone, these guitar bridge saddles and nuts, ensuring durability and longevity 【 Sound Quality】: The cow bone material provides a clearer and sound, significantly improving the tonal quality of classical guitar 【Compatibility】: Designed specifically for classical guitars, these replacement parts ensure fit with dimensions of 4.8cmx6mmx9mm/1.89inchx0.24inchx0.35inch for the upper saddle and 8cmx3mmx9mm/3.15inchx0.12inchx0.35inch for the lower saddle 【Convenient to Use】: Lightweight and easy to install, these bridge saddles and nuts are ideal for both professional musicians and hobbyists looking to upgrade their instrument's sound quality effortlessly 【Complete Set Included】: Each package contains 2 nuts and two saddles, providing you with everything needed for a complete replacement or upgrade of your guitar's bridge components Specification: Material: Cow Bone Size Chart: Nuts: 4.2cmx0.35cmx0.45cm/1.65inchx0.14inchx0.18inch  Saddles: 8cmx3mmx9mm/3.15inchx0.12inchx0.35inch Package Includes: 2 Guitar Bone Bridge Nuts 2 Guitar Bone Bridge Saddles Note: Please allow slightly errors due to manual measurement and different monitors.