Condition: 100% Brand New Item Type: Barb Connector Material: Brass Thread: G3/8 Male Thread Optional Size: 8mm, 10mm, 12mm, 16mm 8mm: Product Height: Approx. 33.3mm / 1.3in Connector Inner Diameter: Approx. 6mm / 0.24in Connector Outer Diameter: Approx. 8.1mm / 0.32in 10mm: Product Height: Approx. 32.9mm / 1.3in Connector Inner Diameter: Approx. 8.5mm / 0.3in Connector Outer Diameter: Approx. 10.2mm / 0.4in 12mm: Product Height: Approx. 32.7mm / 1.29in Connector Inner Diameter: Approx. 10.2mm / 0.4in Connector Outer Diameter: Approx. 12.2mm / 0.48in 16mm: Product Height: Approx. 34.3mm / 1.35in Connector Inner Diameter: Approx. 14mm / 0.6in Connector Outer Diameter: Approx. 16mm / 0.6in Package List 5 x Barb Connector 1A practical pipe fitting, easy to install and use, can be used for gases and liquids. 2High quality brass material, not easy to rust, corrosion resistant. 3Easy and convenient to install with precision thread. 4One-piece casting, with high pressure and high temperature resistance. 5Compact size with good sealing, safe and reliable to use.