The guitar winder is universally compatible with all guitars, mandolins and banjos, and can meet your diverse needs. It can be used as a guitar stringer, a pin puller, and a multi-functional guitar maintenance tool. Features -Color:Assorted Color -Material:ABS, metal, wood -Size:12.00X5.50X2.50cm/4.72X2.16X0.98in(Guitar String Winder) -The small size design is convenient for storage and carrying, saving space and energy. - design, small size, easy to carry and easy to operate. This guitar peg winder fits onto the guitar tuning peg and to help wind the guitar strings making a quicker string change for your guitar. -Wide range of uses: professional guitar repair tools, suitable for most electric guitars, banjos, bass mandolins, etc. -Universal size winder, with comfortable handle, can change strings quickly and easily. -A great present for friends or family members who like to play musical instruments. Package list: 1 x Guitar String Winder 2 x Wrench