Serial Number: Includes serial number showing care given to your mouthpiece.
Plating: Reticulated 24K Gold plating with highlights on globe logo on metal mouthpiece.
Premium Hard Rubber: The Hard Rubber GAIA 4 uses the finest vintage style hard rubber on the planet!
Ligature: The metal GAIA 4 includes our integrated two-point contact 24K Gold Plated Liberty Ligature and Alive Gold pressure plate.The Hard Rubber GAIA 4 includes the Enlightened Ligature, rated #1 ligature in the world. To truly individualize your sound, try our premium Pressure Plates, which fit all of our mouthpieces and ligatures!.