This is a A-B1MA2406 BLADE-MOWER, XHT, 21-3/16", 13/32" PN: B1MA2406Main Description As Following : A-B1MA2406 BLADE-MOWER, XHT, 21-3/16", 13/32" P.N: B1MA2406 Replacement XHT Lawnmower blade. XHT(Xtreme Hardness & Toughness) blades are 25-40% harder than standard lawnmower blades. Benefits of the HXT blade are sharper and longer lasting cutting edges. More resistance to bending. Tighter tolerances in the aftermarket vs. OEM. XHT blades also offer greater impact toughness.(2) blades for a 42" cut. Deep deck.C to C: 2-1/2"Center Hole: 13/32"Length: 21-3/16"Outer Hole: 5/16"Thickness: .156Type: High Lift - NotchedWidth: 3" Crossed From: MTD6028 MOW MORE , 335-067 STENS , 335-600 STENS , 335-782 STENS , 335067 STENS , 335600 STENS , 335782 STENS , 4415029 , , 490-110-M112 ARNOLD , 490110M112 ARNOLD , 6028 ROTARY , 7-04681 PRIME LINE , 704681 PRIME LINE , 742-0499 MTD/ CUB CADET/ WHITE , 742-0499A MTD/ CUB CADET/ WHITE , 742-0503 MTD/ CUB CADET/ WHITE , 742-0538 MTD/ CUB CADET/ WHITE , 7420499 MTD/ CUB CADET/ WHITE , 7420499 WHITE/ OLIVER/ MPL MOLINE , 7420499A MTD/ CUB CADET/ WHITE 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