Exquisite design: with beautiful luster and smooth lines, exquisite shiny appearance, perfect workmanship, very easy to combine with your guitar, and has a good decorative effect.Easy to install: With this guitar tuning button, you can easily install the guitar tuning keys on a new guitar or replace the damaged guitar with an old guitar tuning, which is easy to install.6 Pieces (3 for Left + 3 for Right)Note: Accessories ONLY, Guitar is NOT includedMaterial: Zinc Alloy MetalWeight: 4.3oz/121.9Package Contents:6 * Tuner Machine Head(3 for Left + 3 for Right)6 * Ferrules6 * Threaded Bushing6 * ScrewsNote:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.Dear friends, if you encounter any problems, please contact us directly, even though we may not be able to reply you immediately due to the time difference. All questions will be answered within 12 hours on working days, and we will try our best to answer within 24 hours during holidays.