This Bristan Fern Sink Mixer Tap features a unique patented top-fix design for simple installation from above the sink. Just drop and twist the top-fix base into the tap hole and secure it with the provided Allen key. It comes with two isolation valves and flexi tails for easy connection and isolation of the water supply. The tap attaches to the base with the supplied Easyfit tool and screws. Everything you need is included, such as an Allen key, isolation valves, the Top Fix Easyfit base, an Easyfit tool, and flexi tails. The tap has a swivel spout for convenient use and includes ceramic disc valves for enhanced durability and ease of use. High-quality metal fixings ensure security and longevity.