This Hozelock BSP 1/2 inch and 3/4 inch Pro Metal Threaded Tap Connector is suitable for use with 95% of all outdoor taps. It will convert your tap into a Hozelock quick connection system, and is made from high quality nickel-plated brass for increased durability.The connection is male, and is scratch and frost resistant. There is a 1/2 inch adaptor for use with older taps and it can be used with the Hozelock quick connect system to ensure a leak free connection every time.Specifications: Screw Thread: 1/2in BSP (21mm), 3/4in BSP (26.5mm).Connection Type: Male. Ref: UTTK11991