Features: 1.Easy in Installation: Guitar installation tools are easy to use, even for those who are just starting to repair guitars. 2.Wide Application: This caul inserts kit can be used for the installation and maintenance of guitar columns of various sizes. 3.Different : There are 9 installation pieces of different s, which will surely meet all your installation needs. 4.Durable Alloy: This tool is made of premium alloy material and is designed to withstand frequent use and wearing. 5.Accurate Fit: This tool can accurately position the guitar column, ensuring excellent playability and professional sound quality of the guitar.specification:Item Type: Guitar Freboard Installation Tools Material: AlloyPackageList:1 x Installation Clamp9 x Installation Piece1 x Wrench Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.