Ozone V2 Line ExtensionsOzone 4 line extensions at 300KG 500kg breaking strength give you an extra 2, 4, 5 or 7 meter distance away from your kite creating a larger wind window to generate power. These are a very handy accessory to keep in your kite bag on all larger kites like Ozone Edges and Zephyrs. Quick and easy to fit and removed and can make the difference between a cruisy session or sitting on the beach watching when the wind is light.