150 Pack Spiral Binding Coils, 4:1 Pitch Plastic Binding Coils Kit, 6 Different Sizes Spiral Coils for Binding 1/4″, 5/16″, 3/8″, 1/2″, 5/8″, 3/4″, Black Binding Spirals

About this item Multiple Sizes: The plastic spiral binding coils contain 6 different sizes, 1/4″, 5/16″, 3/8″, 1/2″, 5/8″ and 3/4″ to match most documents or pages, making it an ideal accessory for the office Universal 4:1 Pitch: The binding spiral has a 4:1 spacing and fits any binder with 4 holes per inch; helps you merge report pages, calendars, documents, etc., providing a lot of convenience for your daily work or study Sufficient Quantity: This package consists of 6 different sizes of spiral binding coils, 25 pieces of each size, for a total of 150 pieces, an abundant quantity to meet your daily needs Reliable Quality: The binding coil is made of high quality plastic, sturdy and durable, allowing you to easily compile paper and keep it for a long time; you can easily add and reduce paper by simply laying the binding coil flat and rotating it 360 degrees, easy to use Ideal for Busy Offices: Binding coils help keep your desk tidy by organizing messy documents and keeping them organized, ideal for office files, engineer papers, business projects, presentations and more, versatile and practical