GBC WireBind Spines, 1/4" Diameter, 55 Sheet Capacity, Black, 100/Box

High-tech, contemporary spine takes any presentation to the next level. WireBind lets pages lie flat with 360 degree rotation for convenient note-taking and photocopying. 32-ring metal spines permanently bind 11 x 8 1/2 documents. You get peace of mind knowing your presentations always look great and stay secure.