Ernie PO4118 Motorised String Winder

Ernie PO4118 Motorised String Winder: The Ernie Ball Power Peg is the first of its kind self-contained motorized peg winder that allows you to restring your instrument up to 70% faster than traditional manual peg winders. The Power Peg is powered by 4 AA batteries (not included) featuring a proprietary universal peg head that fits virtually all bass, acoustic, and electric guitar tuning machines.

Features: Handy and compact Fits into almost any gig bag Requires 4x AA batteries