Detailed evaluation 1)Trip When the discharge is pressed, the tube bitten through the locking spring can be released. 2)Lock Spring Suitable for polyurethane pipe nylon pipe with extensive gripping force. 3)Sealing Ring High-quality seals can be utilized for low vacuum-0.1 MPa to one MPa pressure. Special grooves make sure tightness when inserting the tube and reduce insertion resistance. 4)Ring For fixing plastic sleeves, with wide solving force. 5)Shrink sleeve The higher end is tightly linked to the silver ring to repair the lock card. The decrease finish of the sealing ring is interlocked. 6)Easy to identify The number on the cap represents the diameter for easy identification. 7)360 Degree Turn After installation, the plastic pipe can be turned around 360 degrees.