Formax FD 6210 Basic 2 Folder Inserter" color touchscreen with graphical interface High capacity vertical stacker that holds up to 500 finished envelopes Envelope and paper presence sensors Top loading envelope hopper AutoSet which automatically senses paper lengths and envelope sizes for one touch job set up Additional options include: Production feeder for BREs or shirt inserts up to 6" in lengthProductivity package which increases speed and folding capacity and monthly throughput