The guitar string winder is universally compatible with all guitars, mandolins, and banjos and comes in four different colors to suit your style. Can be used as guitar string winder, pin puller, multi-functional guitar maintenance tool. Features - Color: Black, grey, orange, white. - Size: 12.00X5.00X2.00cm/4.72X1.97X0.79 inch. - Material: Metal, ABS. - Made of plastic and metal, three functions of winding guitar strings, cutting strings and pulling guitar pin. - Application: Suitable for electric and acoustic guitars, basses, banjos. Not only for professionals but also for beginners. - The guitar tool with three functions is very convenient, portable and easy to use, helping you to solve problems when using the guitar. - Use the string you can cleanly cut through your old strings to remove them quicker and easier, and trim the excess off new strings after looping them through the tuning machines. - This guitar string winder designed with acoustic guitarists in mind, has a built- pin puller, which makes removing stubborn pin simple without risking damage caused by pliers and other tools. Package list: 4 x guitar string winders