Leak Proof Function The Water Pipe Connector Adopts A Threaded Interface. You Can Attach These Hose Couplings and Rubber Seals together, Which Are Designed to Be Firmly Attached to Effectively Prevent Water Leakage and Save Water. 2 In 1 Connection Each Adapter Can Be Divided Into 2 Parts with 2 Threads of Different Sizes. When The 2 Parts Are Combined, The Adapter Fits On 1/2 Inch Tap. When Unscrewing The Lower Part, The Adapter Fits On 3/4 Inch Tap. Solid Brass Material The Hose Connection Is Made of Pure Copper, Corrosion-Resistant and Rust-Free, and The Durable Material Ensures Long-Term Use. Won'T Break Easily As Plastic Takes Longer to Stand The Test of Time. Wide Range of Applications You Can Attach These Garden Hose Faucet Connectors together with Sealing Rings, Suitable For Heilwiy 1/2 "and 3/4" Water Taps and 1/2 Inch Hose Connection, Which Can Be Used For Heilwiy Watering Flowers On The Balcony, Watering The Garden, Washing Cars, Watering The Garden, Washing Machines and More to Make Life More Convenient.