MaterialThe tone nails are made of high-quality alloy materials, with high performance of anti-rust, anti-corrosion, stability and durability. .PackageThe package contains six pieces of guitar tuning peg knobs. Please pay attention to the left and right directions of the accessories when using. .FeaturesBy using a professional tuning knob, you can tune the guitar strings quickly and accurately. The tuning knob is one of the essential accessories for the guitar. .AdvantageTuning accessories are simple to use and operate, with a light appearance and light weight, making it easy to carry and use when going out. .ApplicationOur tuning knob are suitable for most stringed instruments such as guitar, bass, ukulele, etc. These accessories are very suitable for stringed instrument lovers or beginners. .