Three-in-one string changing tool: the three functions of winding, tangent and taper are combined into one, which is convenient and fast. Flexible tuning and peg replacement, and extra strings can be easily cut off. Double-ended screwdriver and file Press the round iron piece in the middle of the screwdriver to adjust the length of the screwdriver or replace the screwdriver head. There are three types of files: flat, round, and semicircular. Lightweight and portable, the zipper storage bag contains a fixed tool design for easy portability. It is made of high-quality materials and is durable. The string instrument repair tool gift box is suitable for acoustic guitar, electric guitar, bass, banjo, mandolin and other instruments, you can change the strings, set the pitch and check the string height. Perfect for string instrument lovers to repair and tune their favorite instruments during Christmas, Thanksgiving and birthdays. Size: file 18.5*1.5*0.4cm; leveling ruler 10.5*5.1*0.2cm, spacer 7.8*2.2/1.3*0.1cm; three-in-one length about 12cm; DIY file length about 14cm; chord distance measuring ruler 8.5*5.4cm; scale is about 15cm; multifunctional wrench 9.8*2.8*0.16cm; hexagonal wrench: diameter 3, 4, 5MM; screwdriver: length about 12cm; lock 2.4*0.28cm Package includes: a set of guitar cleaning and maintenance tools (file*1; multifunctional wrench*1; scale*1; distance ruler*1; spacers*2; hex wrench*3; DIY file*3; Leveling ruler*1; screwdriver*1; lock*4; three-in-one*1; cloth bag*1) Note: 1. Please allow some errors due to manual measurement. Please make sure you don't mind before bidding. 2. Due to different monitors, colors may vary, please understand. Hello, please pay attention to your shipping address when purchasing products. If your delivery information (such as name, street, house number, doorbell/box without name, etc.) is incorrect, the order will not be delivered correctly. )