Ernie Ball moulded plastic peg winder for guitar and other stringed instruments. Allows for fast, easy string installation compared to hand winding. Notched head cut-out for easy removal of plastic bridge pins for acoustic guitars. Not intended for bass guitars. Pegwinder for guitar and other stringed instruments Allows for fast, easy string installation compared to hand winding Notched head cut-out for easy removal of plastic bridge pins for acoustic guitars