1File set has multiple shapes of cutter and it covers full range of treatment including shaping, forming, carving and material removal, making your work easier and labor-saving. 23-in-1 tool is a string cutter, a string winder or and a pin puller, whch can help you change strings in a quick and easy way. 3Screwdriver and wrench set enables you to remove or install screw easily and the wrenches set has 3 different diameters to meet your different needs. 4Guitar measurement sets includes 2 sets of rulers, and they can be used for measuring the height of string and interval between frets. 5Portable and lightweight, these repair tools are with a storage bag for easy carrying and storage. And these repair tools are suitable for guitar or other string instruments like bass and ukelele.
