Dawn 102151 - 1/2 Rate down-pressure spring for your planter tailpiece
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If you like the action of two Curvetines, but have difficulty setting the spring rate to a light enough setting, we strongly recommend our half-rate spring.
This spring will allow you to use the full range of settings on your tail-piece. It also makes it possible to run two Curvetines per row in a much wider range of conditions.
*For all new White and 9000 series planters, we recommend the half rate spring.