1. Made of Alloy, Strong and Durable, 2. Ensure good sound and avoide scratching, 3. Capo unique designs with acoustic guitar bridge pins puller function, 4. Elegant, concise and curved shape design, fits guitar and other musical instrumets well, has excellent hand feeling, 5. Quality steel spring, stand wear and tear, 6. Excellent structure on the basis of mechanisms theory design, easy to open, but camn clamp firmly and easy to stay in tune. 7. Specially used for 6 strings guitar, can used for Banjo, Ukulele, Mandolin and so on.