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If you are a new starter or someone needing to replace a worn or broken Rectus 21 coupling I'd recommend you purchase genuine parts from a reputable Industry supplier over "it's cheaper on ebay"
There is a big difference in aesthetics and build
Visible defining characteristics
1, Parker has a spring retaining clip on the female outer shoulder
2, Parker machine knurling isn't as aggressive as the clones
3, Parker seat better and don't need to be forced into the fitting
Parker on the left
Non OEM clone on the right
There is a big difference in aesthetics and build
Visible defining characteristics
1, Parker has a spring retaining clip on the female outer shoulder
2, Parker machine knurling isn't as aggressive as the clones
3, Parker seat better and don't need to be forced into the fitting
Parker on the left
Non OEM clone on the right
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