The 6900 Series Inserters are the most powerful and versatile tabletop system available. The 6900 Series offers the versatility of processing a wide range of envelope sizes from a standard #10 to a flat 10” x 13”. AutoMix TM models take this flexibility to the next level by allowing different sized envelopes to be used on-the-fly during operation. Up to four feed stations are capable of reaching speeds up to 4,300 pieces/hour and handling up to 120,000 inserts per month.