1、Guitar Wrench: The hex wrench is very useful in the maintenance of string instruments such as guitar, electric guitar, electric bass and so on. 2、Broad Utility: Moreover, the flat end hex key is also a very practical tool for installation, assembly, repair, woodworking, automobile, etc. 3、Easy for Work: Conforms to ergonomic design, the hex key wrench has long handle for easier operation, largely improving your working accuracy. 4、Premium Metal: Mainly made of premium metal material, the guitar wrench with rustproof coating is not easy to deform, durable for long term use. 5、9Pcs in Total: There are 9pcs metal hex wrench of different sizes, which will surely satisfy your various needs for repair and other work. 9 x Guitar Hex Wrench Item Type: Guitar Hex WrenchMaterial: Metal