Description: Guitar Maintenance Kit: This guitar repairing maintenance tool kit is essential for any guitarist, whether they need to make simple adjustments or more complex repairsPractical: These guitar setup tool set allow guitarists to maintain and repair their guitars themselves, saving time and moneyMultifunctional: With this guitar string repair kit, you can quickly set up your guitar, change strings, check string height, adjust the action and intonation, maintain, and repair your instrument yourselfDurability: The luthier repair tool kits are made of sturdy metal materials,ensures long durability and reliable performance during every useProfessionals: Whether you're a professional musician or an enthusiastic hobbyist, this Luthier Tool Kit provides the precision and quality needed to maintain your instruments Specification: Material: Metal Size Chart: Guitar Fret Leveling Beam: length40cm/15.75inchGuitar Neck Notched Straight Edge:42cmx5cmx0.5cm/16.54inchx1.97inchx0.20inchGuitar Fret Crowning Luthier File:18.5cmx1.5cmx4mm/7.28inchx0.59inchx0.16inchTriangle ruler:10cmx5cm/3.94inchx1.97inch Package Includes: 1 Guitar Fret Leveling Beam;1 Guitar Neck Notched Straight Edge;1 Guitar Fret Crowning Luthier File;1 Triangle ruler Note: Please allow slightly errors 1-2cm differences due to manual measurement.