Feature:Designed for Polyurethane or Nylon tubing.Even after installation, the direction of the tube can be changed freely.Elliptical release ring help to connect tube easily by manual, no special tools required.For quick link connector or extended function.Applications: Mainly used for air compression systems, vacuum systems, pneumatic systems.Specification:Material: Plastic, Brass Nickel PlatedElliptical Ring End Inner Diameter (for Tube Diameter): 4 mmStraight End Outer Diameter: 6mmOverall Size: 11.5 x 39 mm / 0.45 x 1.54 inch (OD*L)Package Content:4 x Quick Fittings
