The program of HEFTER Systemform letter openers offers any technology: Slitting, cutting or milling. You will find for sure the best suitable model for your needs, from a small desktop machine up to a high performance letter opener.

| Opening technology: | Milling |
| Speed: | up to 666 letters/min. |
| Envelope thickness: | up to 12mm |
| Envelope sizes: | up to DIN B4 |
| Special feature: | counting function and conveyor belt |

| Envelope size: | For C6, C6/5, C5, and C4 envelopes suitable for machines |
| Variable speed: | up to 300 envelopes/min. |