OEM Part No: 7420741, 9420741
Fits Yardman 21" cut walk behind. Mulch Blade.
Fits White 21" cut walk behind. Mulch Blade.
Fits MTD 21" cut walk behind. Mulch Blade. Use our 1815-1651 Blade Boss.
| Centre Hole Diameter | Centre to Centre | Length | Outside Hole Diameter | Thickness | Width |
| 23mm x 18mm | 64mm | 21" 533mm | 8mm | 3.2mm | 57mm |
