| DIAM “ | ESP mm | CODE | CENTRAL HOLE mm | LATERAL HOLES mm | RADIO mm |
| 17 | 4 | 7171-FF6-12 | RED. 75 | 4 CUAD. 14 | 60 |
| 17 | 4 | 7171-WW4-12 | RED. 101,6 | 4 RED. 13,5 | 66,7 |
| 18 | 4 | 7181-WW4-12 | RED. 101,6 | 4 RED. 13,5 | 66,7 |
| 18 | 4 | 7181-FF2-12 | RED. 56 | 4 RED. 10 | 45,25 |
Wavy blade 12 waves
Width of the carved band: 18-20 mm
It is indicated for sandy soils and for soils with sticky clays, with excess humidity.
It requires less vertical effort than the 8 wave blade.
