Hard bond early entry blade for medium/soft aggregate. Available in diameters 6-3/8" to 13-1/2".
| Diameter | Width | Arbor | Part # | |
| 6-3/8" | (152mm) | .100" | Tri-1" | 171969 |
| 8" | (203mm) | .100" | Tri | 171970 |
| 10" | (250mm) | .100" | Tri-1" | 171973 |
| 12" | (305mm) | .125" | Tri | 171971 |
| 13-1/2" | (340mm) | .125" | Tri-1" | 171972 |