Features: Crafted from iron metal, these multi hole binding rings deliver wear resistance and deformation prevention, solving the common breakage issues of plastic alternatives for frequent document handling. These metal binding coils effortlessly accommodate various paper size including letter and larger sheets, eliminating the need for multiple binding comb tool across different scenarios. Ideal for business staffs, educational institutions, and individuals seeking secure document organiser accessories, these metal binding comb support various office practice while ensuring user safety. Experience quick and easy binding aid in time sensitive office environment or during academic report, simplifying process for meeting paper, study notes, and professional documentation. Maintain long term durability with our metallic binding rings that enhances document professionalism through enduring luster, perfect for important archiving, presentations, and maintaining polished files over time. Specifications: Component: Iron Metal Type: 23 Holes, 24 Holes, 34 Holes, Color: White, Black, Red, Gold, Silver Size1: Approx. 11.1mm/0.43in Size2: Approx. 9.5mm/0.37in Size3: Approx. 7.9mm/0.31in Size4: Approx. 6.4mm/0.25in Weight: Approx. 870g-1190g Package Includes: 100Pieces Metal Binding Coils note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color