Package List 1 x Guitar string winder Characteristics Hole depth: Approx. 2.8cm / 1 guitar string winder. Hole width: Approx. 2mm to 9 bridge pin puller. Handle length: Approx. 6.8cm / 2.7 inch Material: Plastic Full length: Approx. 13.3cm / 5.2 inch Handle diameter: Approx. 2.2cm / 0.9 inch Color: Black - Easy-to-use and multi-functional string winder, pin puller, drill bit hexagonal adapter pin remover. - Handy and portable string instrument repair and maintaining tool, keep your instrument in good condition pin puller. string winder - Suitable for guitar, bass, mandolin, banjo, dobro, ukulele and more string instruments peg winder. - Loosen and tighten strings by unwinding and winding at the tuning pegs. Specifications - Assemble the drill hexagonal adaptor with a power drill or screwdriver to quickly remove the pegs or pins. - Pull out the bridge with the notch in the handle.Goods DescriptionGuitar Supplies This guitar tool is a multi-fucntional string winder and bridge pin puller for guitar, bass, mandolin, banjo, dobro, ukulele and more string instruments.bridge pin puller for string instrument maintaining and repairing, keeps your guitar in good condition.peg winder You can also use it remove the guitar pins, and assemble the drill adaptor with a power drill or screwdriver to quickly remove the pegs or pins.pin remover This tool fits virtually all tuning pegs, it can easily tighten the instrument strings