♥ Guitar string winder, which can be used to remove the guitar bridge pin. ♥ It can be used together with the electric winding machine and is convenient to use. ♥ For acoustic guitar, electric guitar, electric bass. ♥ It is suitable for loosening and tightening the strings of the acoustic/electric guitar or bass. ♥ It is f ABS and metal matter, which is wear-resistant and . It is an excellent auxiliary tool for a guitar players or guitarist.