Coocheer Ultra Lightweight Aircraft-Grade Aluminum Guitar Capo Quick Easy Change with No Fret Buzz (black) Built of lightweight, strong Aluminum Alloy Easy to use - fits many electric and acoustic guitars, folk guitars and mandolin, ukulele banjo and so on. No fret buzz-Easily applied and adjusted with one hand, the guitar stays in tune with a great intonation. No scratches-Quality silicon pad to ensure good sound and avoid your instrument against scratching. Perfect performance-steel spring with internal memory to provide strength and fatigue resistance, it will put just enough pressure on each guitar.