Features Can be used for hose connection and fluid separation in power tools, home gas lines and more. Suitable for air, water, oil, gas, fuel and other liquids. All four ends have the same diameter. A special barbed connector can be quickly connected to the air hose. Made of high quality copper material, not easy to rust, long service life. Features: Can be used for hose connection and fluid separation in power tools, home gas lines and more. Suitable for air, water, oil, gas, fuel and other liquids. All four ends have the same diameter. A special barbed connector can be quickly connected to the air hose. Made of high quality copper material, not easy to rust, long service life. Specification: Material: brass Shape: cross 4-way Hole diameter: 6/8/10/12 mm (Optional) Quantity: 5 pieces Package Weight: About 65-91g Package list: 5 * Barbed Cross Connectors Package List