You might keep an eye on eBay. I recently picked up a brand new set of 4, still in the box, with end stops for <$60 shipped. They are on eBay all the time. For the price I paid I immediately pulled the trigger on them.
There's half a dozen sets in there right now for less that $60 shipped.
Larry
There's half a dozen sets in there right now for less that $60 shipped.
Larry
