Used for 6 strings Guitar, especially for Folk Guitar and Electric Guitar. Also can be used for banjo, Ukulele, Mandolin and so on though a little big. You could check the product reviews left by other customs for reference. If you want to buy a professional capo for your banjo, Ukulele, Mandolin, please choose other items. Thank you! Specifications: Color: Blue Weight: 52g Package included: 1 x Guitar Capo