Features:Locking tuners prevent the gear from beingexposed to air and reduce the rust, which is more durable.Comes with screws, bushings and ferrulesfor easy mounting.The tuned guitar string does not looseneasily.With these tuning pegs, you can tune guitarstrings fast and accurately.High quality internal gear, it is effectiveto prevent screw slippage.Suitable for conventional size acousticguitar and electric guitar.Specifications:Condition: 100% Brand NewMaterial: Metal + ResinWeight: Approx. 168g / 5.9ozOptional Color: Gold, SilverTuning Peg Size: Approx. 4.3 * 3.8cm / 1.7* 1.5inFerrule Outer Diameter: 1.4cm / 0.6inSuitable for 1cm / 0.4in diameter holePackage list:6 * Guitar Tuning Peg6 * Ferrule6 * Bushing6 * Screw