Rayson Double Loop Binding Wires, Mixed Sizes (3/8", 7/16", 1/2", 9/16", 5/8") 2:1 Pitch Wire Binding Spines, 21-Loop Black, Pack of 100

About this item

• 【Mixed Spine Sizes】Includes 20 spines each of 3/8in, 7/16in, 1/2in, 9/16in, 5/8in to meet various binding needs
• 【2:1 Pitch Design】Compatible with standard 21-hole 2:1 wire binding machines for a secure and professional finish
• 【Durable Construction】Made of sturdy metal for long-lasting use and reliable binding
• 【Sleek Black Finish】Offers a clean, professional appearance, ideal for office or academic presentations
• 【Convenient Bulk Packaging】100 spines per box, perfect for large projects or frequent use.