This is a A-B1MA2437 BLADE-MOWER, XHT, 22", BUTTERFLY PN: B1MA2437Main Description As Following : A-B1MA2437 BLADE-MOWER, XHT, 22", BUTTERFLY P.N: B1MA2437 XHT (Xtreme Hardness & Toughness) blades feature a unique steel that incorporates boron, carbon, manganese, and other materials that ensure its strength. The blades are heat treated with the patented and independently tested Marbain heat-treating process. This process makes the blades 25% - 40% harder than standard lawnmower blades, making them the longest-lasting, safest, and most impact resistant lawnmower blades on the market.Center Hole: ButterflyLength: 22"Thickness: .156"Width: 3"Replaces: Cub Cadet/MTD/Partner: 742-04217, 954-04217Type: High Lift - Notched Crossed From: 742-04217 MTD/ CUB CADET/ WHITE , 74204217 MTD/ CUB CADET/ WHITE , 954-04217 MTD/ CUB CADET/ WHITE , 95404217 MTD/ CUB CADET/ WHITE , 98-095-MTD OREGON , 98095MTD OREGON Found in Section & Models : Tractor Parts Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada