This is a A-W48577 Blade, Rotary Cutter, 4", Suction, CCW PN: W48577Main Description As Following : A-W48577 Blade, Rotary Cutter; 4", Suction, CCW P.N: W48577 Center Of Hole To End Len: 25.8"Hole Diameter: 1.515"Offset Height: 3"Overall Length: 28"Replaces: W46583Thickness: .5"Type: CCWWidth: 4" Crossed From: W46583 JOHN DEERE , 404-48577 , , 40448577 , Found in Section & Models : Hay Tool Parts > Rotary Cutter Blades, John Deere ROTARY CUTTER: CX20, John Deere ROTARY CUTTER: HX20, John Deere ROTARY CUTTER: MX7 Associated Items : New Also This is An Aftermarket Product And : Center Of Hole To End Len: 25.8" Hole Diameter: 1.515" Offset Height: 3" Overall Length: 28" Replaces: W46583 Thickness: .5" Type: CCW Width: 4"