About this itemSpecifications ---Material: Brass; Shape: Straight 2 way; Weight: Approx.34-60g; Outer Diameter --- 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 20mm. (optional)Diameter and quantity (optional): 6mm 10pcs, 8mm 10pcs, 10mm 5pcs, 12mm 5pcs, 14mm 2pcs, 16mm 2pcs, 20mm 1pcs. The given diameter is the outer diameter.High quality --- Made of high quality copper, not easy to rust, long service life, good seal, suitable for air, water, oil, gas, fuel and other fluids.Scope of application---It can be used for tube connection and fluid separation in power tools, household gas pipelines, etc.Long service life---We strive to provide you with the highest quality product and the best customer experience. If you are not completely satisfied, please feel free to contact us.Features:Made of high quality brass, not easy to rust, good sealing, easy to mount.Suitable for air, water, oil , gas, fuel and other fluids. Can be used for tube joining and fluid separation in power tools, household gas lines and more. Specification: Material: Brass Shape: 2-way Straight Diameter and Quantity (Optional): 6mm 10pcs, 8mm 10pcs, 10mm 5pcs, 12mm 5pcs, 14mm 2pcs, 16mm 2pcs, 20mm 1pc Weight: Approx. 34-60gPackage List: 1 Pack Straight Barbed Connector