MTD 942-0610A Lawnmower Blade 19 5/16-Inch MTD original equipment part 90-day warranty for defects in material or workmanship Blade length (measured diagonally): 19.5-inch Blade width: 2.75-inch, Blade center hole diameter: 0.724 Y, Outer hole: 0.32-inch Replaces Part Number 741-0610, 742-0610A, 942-0610 and GW-7420610