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Recommended for use with Air Operated Grease guns.  Hardened coupler body with double wall thickness withstands high pressure without deformation.  Fully hardened spring steel jaws.  Hexagonal nut for easy tightening.  4 Jaw construction with Ball Check<br><br>

Prolube 43522 Heavy Duty Hydraulic Coupler, 4-Jaw, 10000 PSI, 1/8&quot; NPT

prolube-43522-heavy-duty-hydraulic-coupler-4-jaw-10000-psi-1-8-npt

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