Suitable for connecting pipes of different specifications such as air conditioning pipes, fire protection pipes, gas pipes, etc., to ensure the circulation of different gases or liquids. External thread M12x1.0, internal thread M10x1.0, height 10mm, please check the size carefully. Made of brass, it has good corrosion resistance and mechanical properties, suitable for use in a variety of environments. Precise thread processing ensures tight connection, not easy to loosen, and improves the sealing and safety of the pipeline system. After installation, please test run to see if it is installed securely., Manufacturer: LT Easiyl