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 (Transparent)

The package contains 120 pieces of spiral binding coils in 8 different sizes, 15 pieces per size, a large quantity and size that will meet the daily use needs of your binding projects. You can also share it with your friends. Suitable for most wire binding machines, such as GBC, Trubind and Fellows binding machines. Made of quality plastic for durability and strength. Spiral-bound spines are sturdy, long-lasting and allow you to easily compile paper and store it for a long time. The plastic wire binding spines allow for a 360-degree rotation for easy reading, the bound projects can lay flat and easily add or reduce paper, convenient for you to use. There are 8 different sizes: 1/10.2 cm, 3/20.3 cm, 5/40.6 cm, 1/5.1 cm, 9/40.6 cm, 1/5.1 cm, 9/40.6 cm, 5/20.3 cm, 3/10.2 cm, and 7/20.3 cm. cm, ideal for office documents, engineering papers, business projects, presentations and more, versatile and practical. In addition, our coils have many excess ends, you can crimp the ends for a final appearance. Spiral binding coils (48 turns) are designed with a pitch of 4:1, fit any 4-hole punch coil binding machine per inch, and the letter-sized paper measures 8-1/2" x 11". It helps to combine report pages, calendars, documents and more, providing much convenience for daily work or study. Step 4:1 corresponds to the 4 holes per inch drilling pattern on the side of your book. Our spiral binder will provide a permanent solution, holding the pages together, helping you organise messy documents, keep them organised and tidy, and make your desk neat. Meanwhile, it can combine and embellish most documents or pages, fits perfectly in a letter-size book and binding project, an ideal accessory for offices.