| 100 | Nylon Insert Lock Nut M10mm |
| 101 | Square Key |
| 102 | Blade Adapter |
| 103 | Blade |
| 103A | Mulching Blade ★ (“★”is an option to models WYZ20-**-A*1, WYZ20-**-A*3, WYZ20-**-B*1, WYZ20-**-B*3) |
| 104 | Blade Washer |
| 105 | Bolt |
| 106 | Blade Adapter |
| 107 | Blade Hub |
| 108 | Slice pillow |
| 109 | Curved Washer |
| 110 | Blade |
| 111 | Blade Bolt M10mm |
| 112 | Blade Washer |