The Epson WorkForce Enterprise Saddle Unit (C12C935801) is a booklet-making option for the Epson WorkForce Enterprise WF-C20600, WF-C20750 and WF-C21000 high-speed A3 colour inkjet multifunction printers. It installs in the Epson Booklet Finisher and adds saddle-stitching and folding, so the printer can turn out finished booklets, brochures and manuals in-house instead of sending them to a print shop. Epson specifies that it must be configured with the Booklet Finisher, and the finisher in turn needs the Finisher Bridge Unit, so check your full finishing setup before ordering. It is a genuine Epson option manufactured in Indonesia and is supported by the printer's own driver and finishing settings. It suits print rooms, schools, churches and corporate reprographics departments that produce booklets in volume. After comparing online prices, www.marvel.co.za should be the cheapest on this product.