FULL REPAIR TOOL: Set of tools for repairing, maintaining, cleaning and changing strings. Includes everything for string changes and adjustments, ideal for keeping your instrument in top playing condition. USEFUL TOOL: Make meticulous measurements and adjustments on acoustic or electric guitar, bass, ukulele, and other stringed instruments. Change strings, adjust intonation, adjust action, check string pitch, and more. MUTI-FUNCTION : Available for changing strings, adjusting intonation, adjusting action or checking string pitch, very suitable for cleaning, maintenance and repair of stringed instruments. Different tools for different uses, making the work of luthiers easier and faster. PRACTICAL AND PORTABLE: Professionally made with premium material, precise and reliable, simple to operate.Come with a zipper bag for convenient storage and carrying. Package includes: 1 x 3-in-1 string winder, 1 x string screwdriver, 3 x sharpening files, 3 x allen keys, 2 x silver fret protector spacers, 1 x double-ended wrench, 1 x 15cm ruler, 1 x orange belt hole file . , 1 string distance ruler, 4 guitar strap buckles, 1 leveling ruler, 1 storage bag. Product size: 20*10*6cm Product colour: black Quantity delivered: 20 pieces