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Old 01-20-2012, 12:00 PM   #64
supershaft
because I can
 
Joined: Sep 2010
Location: San Francisco Bay area
Oddometer: 7,957
They are suppose to let the line spin. The only advantage is space if you need it. They are just like fitting on the other end of many lines but they seal with a crush washer versus an interference fit.
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