The 70LETT 3056 DocuGem 70LETT-LO3056 Automatic Letter Opener saves time and money. The DocuGem LO 3056 (3253 old model) is a fully automatic letter opener, that can theoretically handle up to 24,000 envelopes per hour in a variety of sizes up to a maximum 6 mm (1/4") thickness; production speed is approximately 8,000 envelopes per hour. Removes from 0 to 3mm (1/8") of the envelope edge. The removed material is in the form of tiny chips, which are deposited in the waste drawer. Creates a soft, feathered edge opening, which prevents paper cuts and gives easy access to the contents. Made of solid steel construction and sporting dual motors, this unit is built to handle large flats and envelopes.