942-04290 Original MTD Rider Lawn Mower Blade order (2) blades for 46" cut. 
Replaces 742-04290
length: 23-1/4"
CenterHoleDia: 6 Point Star Pattern
OutsideHoleDia: 5/16"
CenterToCenter: 2-1/2"
width: 2-3/8"
Thick: .150"