Unified Lever Handle: By rotating the shut-off valve up or down, pass water from the sink faucet to the connecting hose that fits standard 1/2" threads Convenient swivel nut: the nut shank can be tightened by rotating alone, no need to turn the valve, easy to install on the sink Faucet splitter dimensions : The top connector that attaches to the faucet nozzle has an internal thread of 55/64 (0.86 or 22 mm), the side connectors fit standard shower hoses with a hose thread of 1/2" Brass faucet with aerator: brass body with hard brass handle and removable aerator, high quality bright chrome surface, anti-rust, corrosion and oxidation, not easy to clog Material: copper. Main pipe diameter: 23 (mm) Branch pipe diameter: 20 (mm)