GBC CombBind Binding Spines, 0.75-Inch Spine Diameter, Black, 150 Sheet Capacity, 25 Spines (4090052)
Basic in looks and functionality, the CombBind spine is perfect for internal reports and functional documents. Compatible with Ibico and most other plastic comb binding systems. 19-hole plastic spines won't scratch, chip, peel or discolor. Available in a variety of sizes and colors.