Gbc Combbind Binding Spines - 0.4 " Diameter - 0.38 " Maximum Capacity - 60 X Sheet Capacity - For Letter 8 1/2 " X 11 " Sheet - 19 X Rings - Ring Binder - Black - Pvc Plastic - 25/Box
item #: GBC4090022
These durable, 19-ring binding spines are compatible with any comb-style binding machine and 19-hole, prepunched accessories. Use the CombBind binding spines to produce neatly bound documents and presentations. These durable, plastic spines allow pages to lie flat and won't scratch, chip, peel or discolor.