Item Type: Ukulele Tuning PegMaterial: Metal 1IMPROVED TUNING: Thicker knobs on the tuning pegs of this ukulele provide enhanced stability and accurate tuning for your instrument. 2METAL MATERIAL: Made of premium metal material, these knobs are strong and sturdy, wear resistant and durable, ensuring a long life span. 3STRONG COMPATIBILITY: These knobs are designed for various soprano and concert four string models, so you can upgrade your instrument with confidence without worrying about compatibility. 4DELICATE APPEARANCE: These knobs feature an elegant classical design and silver surface, adding a refined and fashionable sense to your instrument. 5EASY INSTALLATION: Installing these tuning pegs through the accompanying screws is both fast and effortless, even for beginners.