Generic Pneumatic Push to Connect Joint 1/8" OD Tube x 1/8" NPT Straight Female Fitting (Pack of 5) Net Weight: 10.3g/pc Materies: nickel plating brass C37700 Type: Straight Female Connector Tube Size and Thread : 1/8" OD x 1/8" Female NPT Quick and simple installation,designed for the polyurethane or nylon tubing