Make your proposals, presentations and reports stand out with the sleek, professionally finished look of the ProClickÂ® binding spine. Fast and easy, it opens and closes with a special tool for quick edits. 32-ring plastic spine lets pages lie flat with 360Â° rotation for convenient note taking and photocopying. Use with any WireBindÂ® binding system or with pre-punched paper if you don't have a binding machine. For 11" size documents.