Interchangeable die binding punches are designed with flexibility and productivity in mind. These high quality die punches and punching machines feature removable die assemblies to quickly and easily change punch patterns. Factory Express offers dies in all of the standard binding punch patterns including plastic comb, wire, Velobind®, three-hole, and plastic coil. An interchangeable die punch plus a plastic comb opener, wire closer or plastic coil inserter is an ideal combination for those that want a variety of binding options without purchasing several single-use binding machines.