Feature:1. Multi function: with our guitar tools, you can make necessary measurement and adjustment, which is very suitable for changing string music, setting pitch, adjusting action, checking string height, etc.2. Portable design, easy to carry, zipper and handle design, easy to open and carry. Don't worry about missing small parts or messy guitar repair tools!3. It can change the string, adjust the pitch, adjust the action or check the string height. It is very suitable for the cleaning, maintenance and repair of string instruments.4. Necessary measurement and adjustment of string instruments such as acoustic instrument, electric guitar, bass, banjo, mandolin, etc. Suitable for the zither player, string player, guitar player, DIY tool workers.5. The guitar repair kit includes string changing and tuning, which is very suitable for maintaining and maintaining the good performance of musical instruments. The guitar repair kit is suitable for string changing, tuning, adjusting actions or checking the string height. Suitable for changing strings, setting intonation, adjusting actions or checking string height. Specification:Material: ABS, metalSize: 27 * 16 * 5cmWeight: About 750gNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-3cm measuring deviation due to manual measurement.1 X String Spreader6 X Bridge Pins8 X Allen Wrenches1 X 13 Different Size Needle F