This string stretcher is designed to enable new guitar string stay in tune instantly and make musical instruments have a better performance. Also compatible with other musical instruments such as Ukulele,Acoustic Guitar,Electric Guitar. This product is much more time and effort saving than conventional way to stretch the strings with hand. The shape design is adorable,super easy and comfortable to use. It can be a gift for music lovers size: 16.5 x 5cm Material: plastic colour: black Package Contents: 1 x Guitar string stretcher Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.