9in Connection: Inner: 20mm (G1/2â) Female Thread 22mm (55/64â) Female Thread; Outer: 24mm (15/16â) Male Thread Features: · 1080° ROTATABLE FAUCET EXTENSION AERATOR: Convenient faucet extender extends the fixed sink faucet and makes it more accessible for more convenience to your family life. Universal Rotation Swivel Extender Arm Faucet Aerator Filter Spray Head Specifications: Material: Copper Color: Silver Size: 14*4.