GBC CombBind Binding Spines - 2" Maximum Capacity - 500 x Sheet Capacity - 19 x Rings - Round - Black - Plastic - 50 / Box

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.