The Ernie Ball PowerPeg winds your guitar or bass strings as much as 70% faster than conventional manual winders. The easily moveable PowerPeg string winder is best possible for home, stage, the jam room, or any place you wish to have a whole string change. The compact battery-powered Ernie Ball PowerPeg winder is among the such a lot helpful accessories for guitarists and bassists. The PowerPeg string winder’s universal head attachment fits all tuning peg head sorts including bass, acoustic and electric guitar and other stringed instruments. A custom locking on-off trigger prevents accidental or unintentional operation.