Fellowes Wire Bindings, 5/16" Diameter, 50 Sheet Capacity, Black, 25/Pack (5255201)

Create a professional look for bound reports and presentations. Made with durable, double-loop wire binding combs for exceptional durability. Secure closure permanently binds documents. Use with any wire-binding system with a 3:1 punching pitch and 32-hole pattern. Sheet Capacity: 50; Spine Diameter: 5/16"; Number of Rings: 32; Color(s): Black.