- Hydraulic coupler is used to lubricate standard grease fittings.
- Hardened coupler body withstands high pressure without deformation.
- Fully hardened spring steel jaws.
- Hexagonal nut for easy tightening.
- Recommended for use with hand operated grease guns.
- With built-in ball check which prevents leak and lubricant backup if the grease gun your using does not feature a …
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