I'm not sure of the name of this one. The goal is presumably to switch the red and the white balls. I could not for the life of me figure out how to remove the ball that is the furthest from the shunt. Let me know if you figure out how to do it! The post with the white cap is loose, so you need to lift that rail up a bit so things line up properly. Could be solidifed with some glue.
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Buyer pays shipping + $3 handling for the first item and $1 handling for each item after that. Thanks for bidding!