BSP (British Standard Pipe) thread size: 3/4" BSP (24.5mm) Female to 1/2" BSP (20mm) Male. 3/4" Female to 1/2" Male - Leak-Proof Design. Size: 3/4" BSP (25mm) Female to 1/2" BSP (20mm) Male Material: Brass Room: Bathroom,Indoor/Outdoor Set Includes: Reducer Adaptor.
This product would be ideal for bathrooms where a seamless and leak-proof connection is required between a shower hose of 3/4" (Female) and a wall outlet/head fitting of 1/2" (Male).