Omation Model 206 Envelopener Letter Opener (Discontinued)The Omation Model 206 Envelopener mixes functionality and compact shape to create an efficient letter opener. The Model 206 easily opens letters ranging up to 13. 5" in length and 1 2" in thickness and can do so at a rate of up to 35,000 letters per hour. The advanced technology of the Model 206 requires little operator sorting, jogging or assistance and virtually no operator experience to get the full results; it is incredibly easy to use.