Original F series locking tuning machines for electric guitar. Original look and specs with cutting-edge Schaller technology. Exact replacement machine heads for Fender guitars with original dimensions in tried-and-tested Schaller quality. Features: Model: 6 left, Buttons: .01 (M6 Small Metal-Button), Surface: Chrome, Ratio: 1 : 18, Weight g/item: 49, Bore mm: 9.8