This handy pair of brass adaptors are used to fit flexible tap tails that have a 3/8" female connector. This is common with European brands such as Grohe and Hansgrohe and with suppliers like Ideal Bathrooms. What this very conveniently does is connects the 3/8" bsp thread into the tap tail and then connects the 15 mm brass shaft into a standard 15 mm compression fitting (such as on an isolating valve). Used for most popular European monobloc taps that come supplied with a non standard 3/8" female thread as opposed to the UK standard 1/2" female thread. 15mm spigot fits directly into a standard 15mm isolating valve (NOT INCLUDED) allowing you to screw your 3/8" tap tails on the threaded end Monobloc tap flexible tail adaptor with a flat faced BSP male thread and 15 mm spigot. These adaptors are practical, easy to use and at this price they're amazing value for money too!, Weight: 0.0661386786 pounds, Manufacturer: Waterberry