SIMPROFFICE 50 Pack Spiral Binding Coils 4:1 Pitch, 5/16 Inch, Black

SIMPROFFICE 50 Pack Spiral Binding Coils 4:1 Pitch, 5/16 Inch, Black

• 50 Pack 5/16 Inch Binding Coils: Comes with 50 pcs black spiral binding coils in one consistent 8mm / 5/16 inch size, ideal for light reports, class notes, worksheets and small document sets.
• Holds Up to 40 Sheets: The 5/16 Inch coil size works well for documents up to about 40 sheets, providing more capacity than thinner coils while keeping the booklet slim and easy to carry.
• 4:1 Pitch Compatibility: Designed for 4:1 pitch coil binding machines, these plastic coils match 4 holes per inch and are suitable for letter-size coil binding projects.
• Clean Black Finish: The black spiral coils give bound documents a clean and professional look, making them suitable for office presentations, school projects and organized personal files.
• Easy to Cut and Crimp: After inserting the coil through punched pages, simply trim the excess length and crimp the ends to help secure pages in place. Binding machine and pliers are not included.