This is a new Category 1 heavy duty after-market top link.  It has John Deere green paint.  This fits the following models:

650, 750, 850, 950, 1050

670, 770, 790, 870, 970, 990, 1070

This measures 20 1/2” from hole center to hole center fully closed. It measures 30 1/2” from hole center to hole center fully extended. 3/4” diameter holes.