Standard Blade / Dixie Chopper 30227-50XPack Size:1Dixie Chopper 30227-50XOregon 91-525Dixie Chopper Iron Eagle and Silver Eagle for Classic, X style; requires 3 for 50" deckLength: 17 ", Center Hole: 5/8 ", Width: 2 1/2 ", Thickness: .250 ", Heavy-duty