Description Our pneumatic connector accessories are durable and sturdy. These push-in fittings ensure a secure and stable connection for your PTFE tubes, enhance the efficiency of your 3D printing projects. Made from copper and plastic, these connectors are resistant to high temperatures and aging, ensuring a long-lasting performance. Features -Color:Black -Material:Copper and plastic -Size:1.90X1.00X1.00cm/0.75X0.39X0.39in -Note: suitable for 4 mm outer diameter tubes -Thread diameter: 9.7 mm -Nut diameter: 10.1 mm -Thread length: 6.2 mm -Feed hole diameter: 6.8 mm -Applicable PTFE tube: 2x4 mm -Fine Compatibility: speicially designed, ensuring a good fit and reliable performance -Hightemperatures resistance: mainly made from durable copper material, these fittings can withstand high temperatures without degrading, ensuring longlasting use -Secure connection: the male straight design ensures a firm and stable connection, preventing any loosening during operation for consistent results -Precision engineering: each fitting is precisely machined to exact dimensions, ensuring stable and reliable connections for your 3 d printing needs -Easy installation: no professional skills required; these fittings are simple to install, making them ideal for diy enthusiasts and hobbyistsPackage list: 10 x pneumatic connectors