This is a A-12891452 Blade, Lawn Mower, LH PN: 12891452Main Description As Following : A-12891452 Blade, Lawn Mower, LH P.N: 12891452 Center Of Hole To End Len: 10.0315"Hole Diameter: .531"Offset Height: NoneOverall Length: 20.063"Thickness: .250"Width: 2.000" Found in Section & Models : Hay Tool Parts > Lawn Mower Blade, King Kutter MOWER, FINISHING: SEVERAL Associated Items : New Also This is An Aftermarket Product And : Center Of Hole To End Len: 10.0315" Hole Diameter: .531" Offset Height: None Overall Length: 20.063" Thickness: .250" Width: 2.000"