FP LO3015 Letter Opener:FP LO3015 letter opener from Francotyp-Postalia Mailing Solutions is an incredibly cost-efficient model capable of handling a substantial amount of letters. Although model is relatively small and compact, it can still open letters at a rate of 24,000 envelopes per hour. Even for smallest uses, it will quickly pay for itself in productivity and valuable time it saves user. It can handle envelopes as much as 1/4" thick and in a variety of shapes and sizes. It is extremely simple to operate and requires no prior training. Its "chadless" operation means that there is no mess of paper scraps at end. By simply slitting open envelope, no paper bits can mess up workspace or create a paper jam.FP LO3015 is also very durable and well constructed. It is built for heavy duty use but has a very sleek design along with a small footprint so that it blends in well in any setting. receiving tray that catches and neatly stacks opened envelopes comes standard and is detachable for easier storage. Additionally, an optional counter is available to keep track of envelopes as they go through machine to be opened.