Descriptions:Exterior tubing is made from SUS304 Stainless Steel, anti-rust, ensuring quality and longevity.The Swivel female threads connection design allows for easy installation and support against kinking and cracking.Application for Bathroom, Toilet, Washbasin, Water Heater, Base faucet, Hot Cold water supply and so on. Specifications:Total Length: 300mm / 11.8inchTube Inner Diameter: 15mm / 0.59"Tube Outer Diameter: 20mm / 0.79"Connector: G3/4 female ThreadedMaterial: 304 Stainless SteelWorking Pressure:0-1.6 MpaWorking temperature:0-100C Package Contents:2 x Corrugated Water Line .