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Title: I could not get it to work
Review: I could not make this Thexton 418 work. I tried it on several fittings and each time the grease just shot out the end of the coupler. I tried several different positions, but still could not get it to work at all. I finally gave up and put the old coupler back on the NAPA grease gun I have been using since 1975 and it worked just fine.I just threw the coupler in the trash as it was not worth sending it back to Amazon. Other people have given this coupler great reviews, I am not one of those people.
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