Easy:Guitar tuning tool set with up to tuning functions, comes with a reusable packaging box for easy use and portability.Affordable: This guitar string winder is priced competitively, making it a for any musician looking to upgrade their gear.Versatile: This tool works with most guitar tuning pegs and can be used on both acoustic and electric guitars.Time-Saving: With efficient design, winder can help you change your guitar strings in a fraction of the time it would take with a manual .Durable: Made from high-quality materials, this string winder is built to last and withstand regular use.Colour:blackMaterial:plastic+metal+woodenPackage Contents:1 set X Guitar String StretcherOnly the above package content, other products are not included.Note: Light reflection 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.