Gbc Combbind Binding Spines - 0.38 " Maximum Capacity - 60 X Sheet Capacity - For Letter 8 1/2 " X 11 " Sheet - 19 X Rings - Black - Pvc Plastic - 100/Box
item #: GBC4000044
CombBind 19-ring binding spines bind up to 60 sheets of letter-size documents. Design allows you to add and remove pages with any comb-bind machine for quick edits. Rigid PVC plastic won't scratch, chip, peel or discolor. Standard, 3/8" diameter spines are compatible with GBC and other plastic comb-binding machines.