Spiral Binding Spool, Diameter 38 mm, 48 Loops, 4:1 Pitch, 310 Sheet Capacity, Spiral Binding Column for A4 Paper, 18 Pieces

1. [High Capacity] The plastic spiral binding spool has a diameter of 38 mm and can hold up to 310 sheets of paper (A4, 70 g), making it easy to add and remove pages. 2. [4:1 Pitch Compatibility] The spiral binding spool has a 4:1 pitch, making it compatible with any binding machine that drills 4 holes per inch. 3. [360 Degree Rotation] With the ability to rotate 360 degrees, this binding spool makes it easy to flip and read pages, making it easier to work on bound projects. 4. [18 Pieces Set] Each package includes 18 spiral binding spools, ensuring long-term productivity for your binding projects, allowing you to effortlessly bind papers and store them safely. 5. [Versatile Application] Ideal for letter size paper (8.5 x 11 inches), the length of the spiral coil can be easily cut with scissors. for engineering papers, business projects, office papers and academic presentations. Specifications: Item Type: Spiral Binding Spool Material: PVC plastic Binding diameter: approx. . 38 mm/1 1/2 inches. Binding capacity: 310 sheets (A4, 70 g) Number of Loops: 48 Pitch: 4:1 How to use: Remove the product and install it to use. Package List: 18 x spiral binding spool

• [High Capacity] The plastic spiral binding spool has a diameter of 38 mm and can hold up to 310 sheets of paper (A4, 70 g), making it easy to add and remove pages.
• [4:1 Pitch Compatibility] The spiral binding spool has a pitch of 4:1, making it compatible with any binding machine that drills 4 holes per inch.
• [360 Degree Rotation] With the ability to rotate 360 degrees, this binding spool makes it easy to flip and read pages, making it easier to work with bound projects.
• [18 Pieces Set] Each package includes 18 spiral binding spools, ensuring long-term productivity for your binding projects, allowing you to effortlessly bind papers and store them safely.
• [Versatile Application] Ideal for letter size paper (8.5 x 11 inches), the length of the spiral coil can be easily cut with scissors. for engineering papers, business projects, office papers and academic presentations.