Set with 3/4 ”faucet socket and 3/4” - 1/2 ”gearbox - automatic coupling (1/2”).• Everything you need to connect the hose to the tap and other accessories.• The faucet plug is installed without tools and guarantees a perfect connection.• Quick-Click connector, fully rust resistant (as it has no metal parts), is shock resistant, resistant to elements, UV rays and very high water pressure: up to 40 BAR.The inner spring patented by Claber is extremely durable.