The Tenor Ebony String winder is made of all solid Ebony wood with sturdy hardware. It is Handmade in Spain. With the right care, It will last you a lifetime. The Tenor Ebony string winder is the perfect gift for a Guitar, Banjo, Mandolin, Ukelele player. Once you feel l it in your hands, you’ll understand. The Tenor Ebony string winder is a Luxury item. The quality and craftsmanship that goes into this indispensable accessory are impeccable. It Works on all Acoustic, Classical, Flamenco, Electric guitars, Banjo and Mandolins.