The CB-180 is identical to the SircleBind CB-1800 except for the label on the machine and is part of a series of newly designed binding machines that not only have an appealing look and feel, but also are durable and function-rich. It features a lockable handle for easy transport, a two-step punch depth control, a side margin guide, a comb selector guide, an 18 sheet punch capacity, a 2" bind capacity, and more! This comb binding machine is loaded with the features necessary to make it the solution to your binding applications.