7/8" hex bore. For seed drive line on John Deere 7200 Wing-Fold, 7200 Flex-Fold, 7300 Vertical-Fold, 1710, 1715, 1760, 1760NT, 1765, 1765NT, 1770, 1770NT, 1775, 1775NT, 1780, 1785, 1790, 1795, DB series, DR series planters.
15.86" dia., .157" thick, 2-1/8" center pilot hole. 5 hole pattern with 4.75" bolt circle. For John Deere MaxEmerge®2, Plus, Pro, XP, XP Pro, ME5, ME5e, EE planters; 1530, 1535 drills.