Classical, Flamenco guitar Machine Heads “Rooster Gold ” from Der Jung. This is the top of the line machine head series made by Der Jung for Classical or Flamenco guitars. It includes 6 Machine heads with oval white pearl buttons with gold plated sides, featuring a very dynamic new design. Also included are matching gold color screws for perfect installation. These machines have 35mm/120mm spacing, 18:1 Gear Ratio The machines are made of heavy golden plated with deep engravings. The oval white pearl buttons are made of a pearly material and are reinforced with inside screws for a softer and more accurate tuning .