Please review the self-introduction. Everything in the photos is included. [For fret replacement on electric guitars/basses, etc.] This tool is designed for easy handling as a tool for accurately installing frets, emphasizing ease of use. It allows for efficient and accurate fret replacement on guitars. [Durability] This fret insert caul is made of highly durable metal, capable of withstanding long-term use and frequent fret replacements. [Size suitable for most guitars] The pad radii are 7.25/9.5/12, accommodating various fret widths. It is designed to fit precisely into guitar fret slots, enabling stable and accurate fret replacement and installation. [Stability] The fret insert caul plays a role in properly securing the frets, and stability is crucial because accurately installed frets provide accurate intonation when playing the guitar. [Double-checked in Japan] Planned, developed, inspected, sold, and supported by a reliable Japanese company.