Binditek 100 Pack Plastic Spiral Binding Coils, 12mm(1/2"),90 Sheet Capacity,4:1 Pitch, Black Binding Spirals

• High Quality: Durable and strong plastic spiral binding coils allow you to compile paper sheets with ease and store for a long time.
• Sheet Capacity: 90 sheets, Spine Diameter: 12mm(1/2 inch), Package Contain: Pack of 100 binding spirals.
• Dimensions: The 48 loops plastic binding spirals fit letter sized paper(8.5x11.0 inches) All binding spirals have a 4:1 pitch, they will fit any binding machine that punches 4 holes per inch. (Attention: These 4:1 Pitch binding coils can't work on the cinch machine)
• Ideal For Busy Offices: Plastic binding coils are used in engineer file, business project, office documents, university presentations.
• Convenience: Binding coils are in lay- flat. 360-degree rotation to add and subtract paper sheets easily.

Binditek 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 inches) 4:1 pitch 4 holes per inch. Compatiable with any standard 48 loops plastic coils-binding system.