Tailpiece expander threads on to the Grundomat tool providing an economical way of upsizing the bore diameter in lighter soils. This bubble-type modular attachment provides additional versatility for Grundomat in certain soil conditions.
| Part Number | Grundomat Model | Upsizes (mm) | Upsizes (in) |
|---|---|---|---|
| GZ0756463 | 75 P | 90 | 3.54 |
| GZ0856462 | 85 P | 98 | 3.85 |
| GP0956461 | 95 P | 105 | 4.133 |
| GP1106461 | 110 P | 118 | 4.65 |
| GP1106462 | 110 P | 138 | 5.43 |
| GP1306461 | 130 Z | 140 | 5.51 |
