ANGLE CONNECTION FOR COPPER PIPE 10mm R3/8 Angled pneumatic coupling with external thread allows you to quickly make the connection of hoses with other components of the pneumatic system. The fitting can be used with copper tubing Outside diameter of the tube 10 mm Connection GZ 3/8" BSPT - (UNI - ISO 7/1) Body material: nickel-plated brass Working pressure: 60 bar ( depending on the strength of the tube)