Strong Rust Resistance & High Strength Metal- Professional Capo is made of lightweight, high-quality zinc alloy (aircraft grade metal). A lightweight but strong and durable capo, it's super quick to switch between frets at will.^Easy to Use While Moving Fast- Perfectly match electric and acoustic guitars, ukulele banjo, folk guitars and mandolin and so on. Extremely smooth surface and ergonomic grip make our capo very easy to use.^Firm Tension & No Scratches- Soft rubber pads give strings a firmer grip for firm string tension and excellent protection. silicone cushion protects your instrument from damage. Also easy to detach and reposition.^Perfect Sound and No Fret Buzz - Stays in tune with great intonation and clear tone on all frets. It is firmly clipped onto strings and no more fret buzzing with high performance capo.^Heavy Duty Steel Spring- Steel spring with internal memory for strength and fatigue resistance. It will put just enough pressure on any guitar. The smooth, rounded and highly polished finish is twice as bright and compared to regular capos.^