TOTiyea 100 Pack Plastic Spiral Binding Coils,10mm(3/8") Binding Spirals,75 Sheet Capacity,4:1 Pitch, Black

TOTiyea 10mm(3/8") Plastic Spiral Binding Coils ,4:1 Pitch, Black Sheet Capacity:75 sheets Spine Diameter:10mm(3/8") Package Contain:100 binding coils Length:about 12",fit for A4&Letter Size?8.5x11"? TOTiyea Plastic spines/spiral /coils are made by precision equipment from well-experienced manufactory. Products are created by high-quality raw material to achieve hard form and good color fastness over time. Binding coils are used in engineer file, business project, office documents, university presentations and more. A lay-flat design with the ability to flip pages 360° from front to back. The 48 loops plastic coils in black fits letter sized paper(8.5x11") 4:1 pitch 4 holes per inch. Compatiable with any standard 48 loops plastic coils-binding system. Turn your loose documents into a professional-looking report worth presenting with TOTiyea Plastic Spiral Binding Coils.