Unique patented top fix design, for simple installation from above the sink Simply drop and twist the top fix base into the tap hole from above, and lock into place with the Allen key provided Two supplied isolation valves and flexi tails mean you can connect to the water supply at this point and isolate the base Push the tap on to the base and secure into position with the supplied Easyfit tool and screws Everything you need in the box including an Allen key, isolation valves, Top Fix Easyfit base, Easyfit tool and flexi tails