This guitar tool is a multi-fucntional string winder and bridge pin puller for guitar, bass, mandolin, banjo, dobro, ukulele and more string instruments. This tool fits virtually all tuning pegs, it can easily tighten the instrument strings. You can also use it remove the guitar pins, cut strings. for string instrument maintaining and repairing, keeps your guitar in good condition. Features - Material: Plastic and steel - Color: Black - Size: 12 x 6.5 x 2.8 cm - Easy-to-use and 3-in-1 multi-functional string winder, pin puller, string cutter. - Loosen and tighten strings by unwinding and winding at the tuning pegs. - Pull out the bridge with the notch in the handle. - Handy and portable string instrument repair and maintaining tool, keep your instrument in good condition. - Suitable for guitar, bass, mandolin, banjo, dobro, ukulele and more string instruments.