The GBC CombBind C210E Electric Binding Machine makes it easy to perfect your binding projects, with useful features that simplify the process. Its 330-sheet binding capacity won't let you down. The electric punch function easily cuts through 20 sheets at the push of a button. It's an excellent choice for mid-sized corporate offices with moderate binding needs. The CombBind spine attaches pages securely, but also allows them to lie flat for easy reading. Neat spines give a professional appearance, making them ideal for presentations and important projects. Designed for use with CombBind spines up to a 1 1/2” diameter. The adjustable edge guide accommodates oversize covers, for a broader range of binding options..