Features Rugged Material: Made of Brass, a wear-resistant material used to prevent and protect accessories from corrosion, scratches, passivation and other damage after use. It is an ideal material for pipe fitting systems as it can withstand high temperatures up to 100 °C (212 °F) and prolonged wear. Improved Threaded Ends: Apply selected sealant to the male end to make it snug and create an airtight environment. You can be relieved from the preparation of sealing tape. Precision manufacturing, good air tightness, safe and reliable. Premium Thread: The barbed edge provides an excellent connection, and the deeper, smoother thread design makes the job easier and more efficient, able to engage better, withstand high pressure, and won't fall off easily. Function: A barb (or hose barb) to connect a flexible hose or oil pipe to the pipe, one side is used to connect the hose and the other side is used to connect the NPT pipe, especially suitable for small rubber hose and plastic Hose as a pneumatic tool. Versatile: Recommended for non-potable water, gas, oil, fuel and air tools, they are also suitable for all kinds of pipes and can be used in wet environments. Features:  1.Made of high quality brass, corrosion resistant and not easy to rust, durable in use. 2.Precision manufacturing, good air tightness, safe and reliable. 3.High pressure resistant, not easy to fall off. 4.Stable characteristic, long service life. Specification: Hose Size: 10mm Thread (Male BSP): 1/8", 1/4", 3/8", 1/2", 3/4" (Optional) Material: Brass Temperature resistance: 0~60℃ Package list: 5 * Connector  Package List