- Authentic Groz Hydraulic Air-O Coupler
- Threads: 1/8″ NPT
- Designed for high-pressure applications upto 7,500 PSI
- Recommended for use with grease control valves
- Hardened coupler body & all internal parts withstand high dynamic pressures without deformation
- Fully hardened reversible spring steel jaws for extended service life
- Hexagonal nut for easy tightening
- 100% pressure tested

