Ernie Ball 4118EB Power Peg Winder Powerpeg Motorized Peg Winder

TheErnie Ball PowerPegis a motorized peg winder which allows you to restring guitars and basses much faster than if you did so by hand or using a manual peg winder. Powered by four AA batteries (available separately), the PowerPeg features a proprietary universal peg head that fits the tuning machines of most acoustic, electric, and electric bass guitars.