SWINGLINE WireBind Spines, 3/8" Diameter, 75 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: 75; Spine Diameter: 3/8"; Number of Rings: 32.