Letter Size Binding Combs
Southwest Binding Systems 1/2 x 19r Clear Plastic Bindings - 0.50" (12.70 mm) Diameter - For Letter Sheet - 19 x Rings - Clear - Plastic - 100 / Case
0.50" (12.70 mm) Diameter - For Letter Sheet - 19 x Rings - Clear - Plastic - 100 / Case