DOP91-508 Dixie Chopper Blade No. 30227-50K. High lift blades takes 3 for a 50" deck. New style with rolled air lift. Size: Length: 17", Center Hole: 5/8", Width-thickness: 2.50/2.50. Replaces part numbers 30227-50V. 30227-H, 30227-N, 30227-50H and 30227-50