This Hozelock Pro Metal hose repair connector is ideal for repairing damaged hose or for permanently connecting two lengths of 1/2 inch (12.5mm) hose. Made from nickel plated brass, ensuring a strong and durable connection. It is scratch and frost resistant and is ideal for outdoor environments, and helps to ensure continued connection year after year. Comes with a 3-year guarantee. Hose Diameter 12.5mm, 15mm. Connection Type Female.