50PCS Spiral Binding Coil 19mm Diameter 48 Loop 4:1 Pitch 170 Sheet Capacity A4

--\n--\n--\n--\n--\n--\n--\n--\n--\n\nFeature: \n 1. [170 Sheet Capacity] The plastic spiral binding coil, with a 19mm diameter, can accommodate up to 170 sheets of paper (A4, 70g). Easily add or remove pages without any hassle.\n2. [4:1 Pitch] The spiral binding spine features a 4:1 pitch, compatible with any binding machine that punches 4 holes per inch. Provides a secure and professional binding solution.\n3. [360 Degree Rotation] The binding coil allows for 360 degree page flipping, making it easier to read and allowing bound projects to lay flat.\n4. [For Letter Size Paper] These 48 loop binding spirals are perfect for letter sized paper (8.5x11 inch). The length of the coil can also be easily cut with scissors to suit individual needs.\n5. [50 Coils] The set contains 50 spiral binding coils, ensuring long term productivity for your binding projects. Easily bind your documents and have plenty left for future use. \n\nSpecification: \n\nItem Type: Spiral Binding Coil\nMaterial: P-