The SircleBind CW-350 3:1 wire and comb binding machine is packed with all of the essential features that makes it the preferred choice of professionals, schools, and copy centers. The easy to use, built in guides make aligning the paper and closing the wire loops simple and seamless. The machine also features a built-in wire hanger that allows the operator to align the punched paper through the wire effortlessly and a 2-step adjustable punch depth which allows for the accommodation of various paper sizes. Designed with efficiency in mind, the CW-350 has a binding capacity of 250 sheets for wire and 500 sheets for comb.