Hasler, Inc. has introduced the M5000, a versatile, medium volume desktop folder/inserter system that efficiently automates the tedious and costly processing of folding, stuffing and sealing envelopes. The M5000 collates, folds, inserts and seals up to eight folded documents - in a single pass - at a rate of up to 3,500 filled envelopes per hour, with an ease of operation that allows virtually anyone to handle the task quickly and in house.