Hozelock Pro Metal Threaded Tap Connector is a 3/4" BSP Pro Metal tap connector suitable for use with 95% of all outdoor taps. Includes a 1/2" adaptor for older taps. Produced from Nickel Plated Brass ensures that the Pro Metal tap connector is: Strong, Durable, Scratch Resistant, Frost damage free. The connector securely attaches to the outdoor tap, and converts it to the Hozelock quick connect system. Around 95% of outdoor taps are this size. To measure you tap please take the internal diameter of the outlet pipe to give your BSP tap size.