RAYSON 15.9mm Spiral Wire Coil Binding, 3:1 Pitch, 5/8" Metal Spiral Binding Coils 140 Sheets Capacity, Black Color & Pack of 100

RAYSON 15.9mm Spiral Wire Coil Binding, 3:1 Pitch, 5/8" Metal Spiral Binding Coils 140 Sheets Capacity, Black Color & Pack of 100

【Binding Capacity】Binds up to 140 sheets of 20lb paper, with a 2.5mm margin for optimal capacity, ideal for medium documents and regular office projects 【3:1 Pitch Design】Specifically designed for 3:1 pitch binding machines, featuring 3 holes per inch. This format differs from 4:1 pitch systems 【Versatile & Easy to Use】Compatible with U.S. Letter or A4 paper sizes, each coil is 12" long with 36 loops, and can be trimmed to fit using RAYSON wire coil crimper plier 【Durable Metal Construction】Made from high-quality metal, these wire coils ensure document longevity, allowing them to open flat and rotate 360 degrees for easy reading and copying 【Cost-Effective Pack of 100】Available in classic black, these coils offer a budget-friendly solution for binding projects in the office, school, or home RAYSON wire coil binding spines are designed for durability and ease of use, making them an excellent choice for binding reports, presentations, and various documents. Crafted from high-quality metal, these black coils enhance the longevity of your documents and allow them to open flat and rotate 360 degrees for easy reading and copying. With the capacity to bind up to 140 sheets of 20lb paper, these coils are ideal for medium-sized projects. For smoother binding of 140 sheets, a 2.5mm margin is recommended. Specifically designed for 3:1 pitch binding machines (3 holes per inch), these coils are not compatible with 4:1 pitch systems. These versatile black coils are compatible with any 3:1 pitch coil or wire binding machine, making them suitable for professional use at the office, school, or home. Each pack includes 100 coils, with 36 loops per coil, suitable for both Letter and A4 size sheets. Excess wire can be easily trimmed if needed. RAYSON wire binding coils are clean, durable, and provide secure binding. Whether you're using a RAYSON punching machine like the PT1202, TD-132, or TD-130, or binding by hand, these coils streamline the process for reliable and efficient results.