This solid brass waterbutt/tank outlet adaptor is the perfect solution for connecting a hose to a 1" BSP female and 1.25" male pipe. Its quick and easy installation features make it ideal for use above ground. The adaptor is made from high-quality brass material, ensuring durability and longevity. It is designed with a circular shape and requires a 42mm hole, making it suitable for various applications. The set includes a hose connection, making it a complete package for your watering needs. This product is perfect for those who are looking for a reliable and durable water butt.Please note bsp thread is not measured across the thread.A 1" bsp thread will measure 33.3mm across and 1.25" bsp will measure 41.9mm across