This is 1/4 inch Brass Mini Ball Valve.Ball valves use a spherical disc to control the flow between pipes, tubes, or hoses.for higher corrosion resistance than steel and has a covered lever handle for on/off manual control. Do not over tighten. Can be used to give your tool full air flow to shut-off. Designed for use on all pneumatic circuits and features a quick connect/disconnect positive seal. Male And Female NPT Thread, plastic coated lever handle, easy operation. Used widely in the irrigation system, piping system, oil and supplying system. Working medium: natural , liquefied petroleum . Product Name : Ball Valve colour:Copper, red Material:Brass, plastic size:Thread size: 1/4 Package Contents: 8* Ball Valve Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.