Ernie Ball Power Peg Motorized String Winder Knighton Music Centre Sale! from £25.96 GBP /per Produc variants Default Title Qty. Add to Cart Couldn't load pickup availability Refresh Quick and easy string winding, courtesy of the Ernie Ball Power Peg! The versatile head fits every guitar, with forward and reverse capabilities at up to 200rpm. Also features a comfortable rubberized grip and a locking safety switch.