The Rhin-O-Tuff 8370 is a manual wire closer that can bind up to 120 sheets of paper at once. The 8370 makes closing documents with double loop wire exceedingly easy. This machine lets you insert and close documents in one easy step. Simply insert the wire into the closer, place the document in the appropriate space and pull the handle to close. It was designed to work with all three to one pitched wires and can handle projects up to 14" long. The document's spine may be between 1/4" and 9/16" in diameter. If you are not sure of the precise diameter of your document's spine, the machine features a document sizing guide to help you choose the appropriate size. There is also a wide range of lengths of wire with which the 8370 can work. As long as the length of the document is between 5.5" and 14" it will have no problem working with this machine. You can use this machine with any of the standard wire sizes currently available. The 8370 is a very versatile machine as it can be used as a standalone operation or it can be attached to a Rhin-O-Tuff binding punch machine. The Rhin-O-Tuff 8370 can be attached to the OD4000, the OD4012, the OD4800, the HD6500, the HD7000 or the HD7700. This gives a lot of flexibility to those who want to use the machine without taking up a lot of space. The Rhin-O-Tuff 8370 features superior all-metal construction, making it a sturdy and long-lasting machine. It is ideal for daily use and at 43 lbs is very portable as well. Purchase your manual wire closer today!