Golden Gate F-2070 Acoustic Guitar Tuners - 6 Individual (3+3) - Nickel Cast, sealed, permanently lubricated gear design gives smooth tuning action that will last a lifetime High ratio 14:1 gears ensure years of accurate intonation and tuning stability Triple nickel plating provides a lustrous and durable finish Large D-shaped metal buttons are comfortable to hold and easy to grip Corner attachment screw hole and standard dimensions make them the perfect upgrade or replacement To learn more, please see our Product Description below