This top of the line diecast Kluson tuning machine, known as the Super, Waffleback, or Radiator Back had been out of production for 40 years. We are proud to reissue this tuning machine using the original specs and dimensions to assure you a drop-in replacement for your original vintage instrument. This specific model was used on early Gibson Les Paul Customs in the 1950's. The 15:1 gear ratio offers superb performance and reliability and it looks exactly as it was originally intended. Finally you can retrofit those vintage instruments you love to their original glory with these beautiful reissued tuning machines!