Features: The barbed stems create a tight seal on the flexible and semi-rigid hose when used with a hose clamp or crimp sleeve or ferrule (not included). This fitting is made of copper for corrosion resistance, ductility at high temperatures, and low magnetic permeability. Hose fittings connect, control, change the direction of, and terminate the flow in piping and hose systems. Commonly used to connect lines for air, water, fuel, oil, and inert gases in a quick and simple way. Application for motorcycle, car, and truck. Specification: Condition: Brand New Material: Copper Color: Gold Tone, Silver Tone Total Size: 13.7x42mm / 0.54"x1.65"(W*H) Outer Diameter 1: 10mm / 0.39"(D) Outer Diameter 2: 12mm / 0.47"(D) Note: Please confirm the shape and size before purchasing. Please allow +/- 0.5mm error due to manual measurement. Package Included: 5 Pcs Copper Hose Fitting Connectors 10 Pcs Clamps