Fellowes 8mm pitch 5:1 metal binding spirals in white (100 units) 5112901 are the right choice for binding small blocks of paper with a bright presentation. This box includes 100 white metal spirals, 8mm in diameter (5:1 pitch), designed to hold up to 50 A4 sheets. The flexibility of the plastic-coated metal allows for smooth page turning. Recommended for short user guides, student work, and welcome manuals.