Product details:

Blade Width - 2.25 Blade Thickness - 0.149 Blade Length - 21-3/16 Center Hole Size - 5/8 6 pt. star Air Lift 1-1/2 MTD 490-110-M108, 490-110-M115, 742-04087, 742-04308, 742-04312, 742-04410, 742-0616A, 742-0656, 742-4360, 7420616, 942-04087, 942-04308, 942-04308-X, 942-04312, 942-04312-X, 942-04360-0684, 942-04410, 942-04410-0684, 942-0616, 942-0616-X, 942-0616A, 942-0656, 942-4360, GW-7420616, OEM-742-04308, OEM-742-0616