Bout the product: Essential accessory Makes re-stringing any guitar quick and easy. Features a detachable drill bit to make the job even faster Quality Material Made from tough ABS plastic Multi purpose Not only helps with speedy string changes, also has a bridge pin remover Take anywhere Light and compact, easily fits gig bags and cases Compatible Instruments Can be used with acoustic, electric, classical and bass guitars, ukulele, Banjo, Mandolin... Description: Material: Plastic+metal Color: Black Package Contents: 1 x String Peg Winder Only 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.