This is a A-EF386 Blade, Flail Mower PN: EF386Main Description As Following : A-EF386 Blade, Flail Mower P.N: EF386 New flail mower blade, 1.26" x 4.965" with .355" bolt hole. Fits Mott flail mowers. Found in Section & Models : Hay Tool Parts > Flail Mower Parts, Mott MOWER, FLAIL: 48, Mott MOWER, FLAIL: 60, Mott MOWER, FLAIL: 74, Mott MOWER, FLAIL: 88 Associated Items : A-EF6 Also This is An Aftermarket Product And : New flail mower blade, 1.26" x 4.965" with .355" bolt hole. Fits Mott flail mowers.