3-in-1: Guitar string change tool combines three functions of winder, wire puller and needle puller in one, which allows you to change strings quickly and easily. Premium Quality: The guitar string cutter is made of high quality ABS and metal material. The opening design of the needle extractor can easily pull out the cone without hurting the guitar. The thread cutter can flatten the notch after cutting without hurting your hands. Portable: The guitar winder weighs only 33 grams and the total length of the tool is 11.5 cm. It fits into your guitar case and is ready to use. APPLICATION: The guitar string adjuster can be used for all string instruments such as guitar, banjo, acoustic guitar, mandolin, ukulele, bass etc., suitable for amateurs and professionals. Great Gift: String cutting, wire wrapping, cone pulling, multifunctional guitar repair tools. Great gift for guitarists, hobbyists and professionals.