This is a A-B1MU2611 BLADE-MOWER, XHT, 20-3/8", 27/32", LL PN: B1MU2611Main Description As Following : A-B1MU2611 BLADE-MOWER, XHT, 20-3/8", 27/32", LL P.N: B1MU2611 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 40" cut. Sand blade.Center Hole: 27/32"Length: 20-3/8"Thickness: .156Type: Medium LiftWidth: 2-1/4" Crossed From: 335-016 STENS , 335-030 STENS , 335-166 STENS , 335016 STENS , 335030 STENS , 335166 STENS , 6112 ROTARY , 7-04675 PRIME LINE , 7-06419 PRIME LINE , 704675 PRIME LINE , 706419 PRIME LINE , 92002 MURRAY , 92002E701 MURRAY , 92002E701MA MURRAY , 92002HT MURRAY , 97-006 OREGON , 97006 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