For use with any standard 19-ring comb-binding system. Plastic Comb Bindings for 11 x 8.5 Documents, 19 Rings, 0.5 Binder Combs Size Chart Fellowes , 1/2" Diameter, 90 Sheet Capacity Plastic Comb Bindings These premium white 1/2 binding combs are manufactured by Fellowes to give your documents, reports, and proposals a professional appearance that is sure to impress. Fellowes 1/2 white plastic binding combs are designed to work in any Fellowes comb binding machine or any other standard 19-ring binding system Get a professional edge! Fellowes® Plastic Comb Bindings, 1/2" Diameter, 90 Sheet Capacity, White, 100/Pack ; | Get a professional edge! Plastic comb binding creates easy-to-handle documents with a high-quality, custom look Plastic comb bindings for use with Fellowes or any standard 19-ring comb-binding system.