Plastic Spiral Binding Coils 18 PCS,4:1 Pitch,38mm/1-1/2in Diameter,310 Sheet Capacity Spiral Binding Kit, Reusable Spiral Coils for Binding A4 Paper,Documents,Business,Presentations

Plastic Spiral Binding Coils 18 PCS,4:1 Pitch,38mm/1-1/2in Diameter,310 Sheet Capacity Spiral Binding Kit, Reusable Spiral Coils for Binding A4 Paper,Documents,Business,Presentations

• HIGH-CAPACITY BINDING FOR THICK DOCUMENTS: With a 38mm (1½ inch) diameter, each spiral coils for binding accommodates up to 310 sheets of A4 70g paper—perfect for hefty reports, engineering manuals, academic theses, and business proposals
• STANDARD 4:1 PITCH FOR WIDE COMPATIBILITY: Featuring the industry-standard 4:1 pitch (4 holes per inch), these binding coils work seamlessly with virtually any binding machine that supports the 4:1 hole pattern. Whether you're using a 34-hole punch or other standard configurations, these coils integrate smoothly into your existing workflow for professional, polished results
• 360° FLAT-LAY ROTATION FOR EASY READING: The spiral design enables a full 360-degree rotation, allowing pages to lie completely flat when open. This makes document navigation effortless—ideal for reference guides, training manuals, presentation binders, and any project that requires frequent page flipping without the frustration of pages springing shut
• 18-PIECE FOR LONG-TERM USE: This economical set includes 18 spiral binding coils, ensuring you have a steady supply for multiple binding projects—from office documents and school assignments to client presentations. Save time and money with bulk packaging that keeps your workflow uninterrupted without constant reordering
• VERSATILE USE: Designed to fit standard letter-size paper (8.5 x 11 inches) and A4, these plastic spiral binding coils can be quickly trimmed to your desired length using ordinary scissors. The durable, reusable plastic construction resists cracking and wear, making them suitable for engineering documentation, corporate reports, university submissions, creative portfolios, and everyday office use