Usage Tips:[Use]All-copper large-flow water heater ball core valve, suitable for water control valves in bathroom, kitchen, and restaurant pipelines [Material] All copper, brass casting valve body, multi-layer material, full of materials, rust-proof and explosion-proof, water-tight, brushed surface, scratch-resistant and wear-resistant [Water Volume]Built-in spherical valve core, large diameter water outlet, adjustable water volume, fast water outlet when fully open, slow water outlet when half open, no dripping or leakage when fully closed, universal for hot and cold. [Size]Internationally applicable, 1/2 inch interface diameter is about 0.78inch / 20MM, interface standard thread specification G12, stable installation without slipping, no need to worry about adaptation issues, suitable for most household water outlets Material: brass colour: blue Package Contents: 1 x Ball Valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.