Rhin-O-Tuff's 4470 manual comb opener is a very popular choice for completing comb-bound books up to 2" thick and 14" wide. At a mere 17 lbs, the 4470 is very easy to store and transport. It can bind up to 425 sheets of paper at one time. This convenient machine features a built-in plastic comb opener and an adjustable ring-opening feature to ensure precise book placement. Additionally, the 4470 offers the option of having the handle of the left or right side of the machine depending on handedness. This manual comb opener can be used as a standalone machine or can be used as an add-on module for one of Rhin-O-Tuff's vertical punching machines. When combined with one of Rhin-O-Tuff's punching machines, the 4470 becomes a full punch and bind apparatus. Its rapid operation makes it a handy tool to have around if you have a large volume of documents that you need to bind in a timely fashion. Purchase your Rhin-O-Tuff 4470 today through Whitaker Brothers!