This guitar and bass knob electric string winder plug features an upgraded winding head and a manual handle, making it an essential tool for musicians. Its sleek design ensures a comfortable grip, while the durable construction keeps use. Ideal for both professional and amateur guitarists, it simplifies the string-changing process, saving . Features -Color:Black -Material:Plastic, metal -Size:9.50X5.70X2.50cm/3.73X2.24X0.98in -Size:6.50X2.80X2.50cm/2.55X1.10X0.98in -Upgrade winding head: experience faster and more stable string winding with our upgraded winding head, designed for efficiency and precision. -Manual handle design: easily adjust string tension with the convenient manual handle, providing greater control and ease of use. -Multifunctional use: suitable for both guitars and basses, this tool offers versatile functionality for various stringed instruments. - plug: ensure a stable connection with our plug, preventing any loosening during use for a reliable performance. -Easy to use: save with this simple and userfriendly tool, making string changes quick and easy Package list: 1 x guitar string winder 1 x handle