[STABILITY AND DURABILITY] Mainly constructed of steel, anti-rust, high performance of stability and durability. The reducer is chrome/nickel plated bronze material, durable to use. [FUNCTION] Mainly used to repair strings and improve string sound. Fast and accurate tuning, hard to be out of tune. [EASY TO INSTALL] Complete set with other fixing accessories, easy to install. [EXQUISITE APPEARANCE] Exquisite look with perfect workmanship and advanced technology, aesthetically pleasing, easy to match for your guitar and also providing a beautiful decoration effect. [GOOD REPLACEMENT] Ideal replacement parts for your electric bass.Essential replacement for old, worn or broken electric bass tuning pegs.