120 Pack Plastic Spiral Binding Coils Binder Spirals Rings 8 Size Wire Combs Spines Coils, 4:1 Pitch, 1/4 5/16 3/8 1/2 9/16 5/8 3/4 7/8 Inch (Multicolor)

4:1 pitch and 48 loops: the binding coils (48 loops) are designed with a 4:1 pitch, fit any 4 holes per inch binding machine, and the letter paper measures 8.5'' x 11''. It helps combine report pages, calendars, documents, and more, providing much convenience for daily work or study. Their 4:1 height corresponds to the 4 holes per inch punching pattern on the side of your book. RELIABLE USE - Made of quality plastic for increased durability and strength. The spirals are sturdy, durable and allow you to easily compile paper and store it for a long time. Plastic metallic binders allow 360-degree page rotation for easier reading, bound projects can be laid flat, and paper can be easily added or removed, convenient to use. Multiple size choices: there are 8 different sizes, namely 1/4-inch, 5/16-inch, 3/8-inch, 1/2-inch, 9/16-inch, 5/8-inch, 3/4-inch and 7/8-inch, ideal for office documents, engineering papers, business projects, presentations, etc. Versatile and practical. In addition, our reels have a lot of excess, you can crimp the ends for a finished look. Economical pack: the package contains 120 spirals in 8 different sizes, 15 pieces per size, sufficient quantity and variety to meet the binding needs of your daily bookbinding projects. You can also share with your friends. Suitable for most wire binding machines, such as GBC, Trubind, and Fellows. Stay organized: our SIMPLIPLEX spiral ring binder will provide a permanent solution, securely holds pages together, helps you organize messy documents, keep them organized and tidy, and keep your desk well-arranged. Meanwhile, it can match and beautify most documents or pages, fits perfectly to a letter-size book and a binding project, ideal accessory for offices.