MTD 942-0612A Replacement Lawnmower Blade for 46-Inch Cut with 6 Point Star Hole MTD original equipment part 90-day warranty for defects in material or workmanship Length: 14-7/8-inch Width: 2-1/2-inch Center hole diameter: 6 point star Replaces Part Number 742-0612, 742-0612A and 942-0612