Tetra-Teknica GC106 Single-handed Guitar Capo Quick Change, Color Black, 2 Pack Made of high-grade Aluminum Alloy, works great for acoustic, electric and classical guitar, ukulele, bass, banjo & mandolin Easily re-position with one hand, keep all strings perfectly pressed and always in tune High quality silicone pad protects your guitar neck against any scratches or damage Ultra lightweight and durable