Feature:1. Made with high quality metal, sturdy and durable.2. 6 pieces for right, comes with screws and ferrules for easy mounting.3. Excellent workmanship, an ideal replacement for your guitar tuning keys.4. Locking tuners provide maximum tuning stability.Specification:Features:Made with high quality metal, sturdy and durable.6 pieces for right, comes with screws and ferrules for easy mounting.Excellent workmanship, an ideal replacement for your guitar tuning keys.Locking tuners provide maximum tuning stability.Specifications:Material: MetalHole Diameter: 8 mmItem Weight: 120g/ 4.2ozPackage Size: 18 * 13 * 3cm/ 7.1 * 5.1 * 1.2inPackage Weight: 135g/ 4.76ozPackage List:6 * Locking Tuner6 * Ferrule7 * ScrewPackage List:6 * Locking Tuner6 * Ferrule7 * Screw