1LOCKING MECHANISM: This capo combines strength, accuracy, speed, and ease of use perfectly through a unique central locking mechanism, avoiding clamping too tightly to produce incorrect tones. 2ANTI SLIP ROLLER: The roller design plays a good anti slip role, reducing friction during use and greatly improving the service life. 3ZINC ALLOY BODY: The body of this guitar capo is made of zinc alloy material, which is sturdy, firm, and comfortable to grip. 4SOFT SILICONE: The inner side of the capo is made of soft silicone, with a fully fitted curved serrated design that is not easy to damage the neck, providing thoughtful protection for the neck. 5UNIVERSAL USE: This capo with skull knob is suitable for various string instruments including electric guitars, acoustic guitars, ukulele and more. 1 x Guitar Capo 1 x Storage Box