Material: The metal part is made of stainless steel, and With a handle designed for efficient and comfortable use, it is made of high quality strong ABS. String cutter: The hardened string cutter cuts your old ones If you cut the strings or cut off the extra strings at the end, you no longer have to worry about the length of the strings. Guitar String Winder: The integrated string spindle winds up your new strings in seconds. Also works with 7-string and 12-string guitars, banjos and mandolins. Guitar Pin Puller: Allows you to easily remove stubborn pins without risking damage from metal pliers and other tools can be caused. Wide usage: It can be used for all stringed instruments such as guitars, banjos, mandolins, ukuleles and so on. And is therefore a must for every instrument case. Specification: Colors: Black Material: Metal and plastic Size: approx. 12 x 5.2 x 3 cm Suitable for a pin winder, for both vintage and modern basses. Fits on almost all guitars, banjos and mandolins, ideal for string instrument lovers. Because with the 3 in 1 tool you can change or adjust your strings in no time. Especially when performing live, you can change your strings in a few seconds. Package Contents: 1 x 3 in 1 guitar string winder Note: Please allow a little error due to manual measurement .