Features 1、Can be used for tubing connection and fluid separation in power tool, home gas piping and more. 2、Suitable for air, water, oil, gas, fuel and other fluids. 3、All of the four ends are of same diameter. 4、Special barbed type connector can be quickly connected to air hose. 5、Made of high quality copper material, not easy to rust, long service life. Specification Features: Can be used for tubing connection and fluid separation in power tool, home gas piping and more. Suitable for air, water, oil, gas, fuel and other fluids. All of the four ends are of same diameter. Special barbed type connector can be quickly connected to air hose. Made of high quality copper material, not easy to rust, long service life. Specification: Material: Brass Shape: Cross 4-way Hole diameter: 6/8/10/12mm (Optional) Quantity: 5pcs Package weight: Approx. 65-91g / 2.3-3.2oz Package list: 5 * Cross Barbed Connector Package List