Feature:
Designed for Polyurethane or Nylon tubing.
Even after installation, the direction of the tube can be changed freely.
2 end O release ring help to connect tube easily by manual, no special tools required.
Outside (and Inside where applicable) hexagonal wrench tightening.
Applications: Mainly used for air compression systems, vacuum systems, pneumatic systems.

Specification:
Function: Bulkhead Union Air Fittings
Material: Plastic, Brass Nickel Plated
Thread Size*Pitch: M16*1.0
2 End O Ring Inner Diameter (for Tube Outer Diameter): 8 mm
Overall Size: 51.5 x 31.5 x 22 mm / 2 x 1.24 x 0.87 inch (L*W*H)

Package Content:
1 x Quick Fittings