3 n 1 Lawn Mower Blade For 54" Cut For John Deere # GX21380 GY30684Replaces Part Numbers John Deere GX21380 GY30684Blade Length : 18 5/8"For Deck Size : 54" CutCenter Hole : 7 Point StarWidth : 2 3/4"Thickness : .187"Outer Holes 0
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