This Push-Fit Joiner will allow you to join beer or gas line sections on your kegging system.
Note that this is 10mm diameter in and out - if you're after 8mm, you'll find ithere
They are extremely easy to use and allow you to simply push your beer and gas line straight into these fittings. No need to purchase clamps or tools. To remove the fitting, simply push in the collet and the hose can be removed.