Materials used: G10, milled carbon Twill, sapphire, nickel, 24 carat gold plating, hand-silk-screened print, 7-layer 3-component protective varnish. Illuminated logo "oDrive". Each item supplied in a branded case and a certificate of authenticity signed by the master who worked on the model. This model is limited to 28 pieces. The manufacture of this product takes 128 hours of manual labor.