About This

• 【170 Sheets Capacity & For Letter Size】The spiral binding coil has a diameter of 19mm and can accommodate up to 170 sheets of 70g a4 paper, making it easy to add and reduce paper. And, these 48 loop binding coils are very suitable for letterhead size paper of 8.5 x 11in, and the length can also be cut with scissors according to your requirements.
• 【4: 1 Pitch 48 Loops & 360 Degree Rotation】The coil binding spines have a 4:1 pitch and is compatible with any binding machine with 4 holes per inch. At the same time, the combs & spines allow for a 360 degree page rotation function, making it easier to read, and the binding items can be placed flat.
• 【Enough To Meet Your Needs】A total of 100pcs spiral binding coils ensures the long term productivity of all your binding items, allowing you to easily bind paper and store it for a long time. At the same time, the rich quantity can suffice your daily needs, which fit most wire binding machines, providing much convenience to your daily work or study.
• 【Keep Files Organized】The coils can help you organize messy documents, keep them organized and orderly, so to help your desk keep tidy, which are ideal for office documents, engineer papers, business projects, presentations and more, versatile and practical. They serve as excellent gifts suitable for teachers, students, and coworkers.
• 【 Satisfaction Guaranteed】We promises every customer a shopping satisfaction, reach us if you have any questions about your purchase. If the book binding kits fail to make you satisfied let us know right away so we can send you a full purchase refund. If you have any question, please with our customer service.