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Old 10-05-2014 | 02:55 PM
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Strato50
 
Joined: Jan 2006
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From: Hamilton, ON, CANADA
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1/4" rare earth magnets sit right inside the hole that the upper hull posts fit into. They you just have to trim 2 magnets thickness off the length of the top post and glue another magnet...

I do this to most of my HengLong hull tanks, it's easy and reliable.