Features 1、17PCS SET: From guitar neck saddle and nut, string pegs to string remover, measuring ruler, and sandpaper, this kit provides a comprehensive solution for various guitar maintenance needs. 2、METAL, BONE MATERIAL: Made with premium metal and bone materials, these tools ensure stability and durability, providing long term protection for your guitar. 3、CONVENIENT AND EASY TO USE: Equipped with a string remover, it makes changing guitar strings effortless, saving you time and hassle. 4、ACCURATE MEASUREMENT: Comes with a measuring ruler, allowing you to easily measure string height and intonation, precisely adjusting your guitar. 5、COMPLETE MAINTENANCE TOOLS: The included sandpaper helps clean and polish guitar strings, keeping the tone clear and bright, providing optimal sound quality for your performances. Specification Item Type: Acoustic Guitar Bridge Pin Set Material: Metal, Bone Package List 1 x Guitar Nut 1 x Guitar Saddle 12 x String Nail 1 x Nail Lifter 1 x Steel Ruler 1 x Sandpaper