Additionally, for the Gans 356 Air, Gans has created a patented, color-coded spring elasticity system called the GES (Gans Elasticity System). Please refer to the picture diagrams for more details. Master Version: This is the Master version of the Gans 356 Air. The Master version features the Gans half bright sticker set pre-applied to the cube. It also comes with the Metal Adjusting Tool and a set of Red (S6), Orange (S7), and Yellow (S9) GES Components.