SWINGLINE WireBind Spines, 1/2" Diameter, 100 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. Sheet Capacity: 100; Spine Diameter: 1/2"; Number of Rings: 32.