RENYI HARDWARE manufactures metal ring binder mechanisms for office binders, filing folders, and document management products.

Our 3-Ring Trigger Slant-D Mechanisms feature slanted D-shaped rings that help keep documents neatly organized. The lever-operated opening system provides convenient and smooth operation, while the sturdy metal construction and nickel-plated finish ensure reliable durability.

Various sizes and specifications are available, with customization options for ring diameters, base lengths, and surface finishes.