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<div dir="auto">I've had plenty of issues with newer grease gun couplers. I used to unscrew them to make the lock teeth loose, pop the coupler on the zerk, and then tighten the coupler. I finally bought a "Lock 'n Lube" lever action coupler. A little large for some tight locations, but overall satisfactory. Way too expensive, but it works.</div><div dir="auto"><br></div></body>
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