Rayson 2:1 Pitch Double Loop Wire Binding Spines, 3/8 Inch (9.5mm), 21 Loops, Black, Holds 10–70 Sheets, Pack of 100 – Metal Wire Binding Combs for Letter Size Paper

About this item

• 2:1 Pitch Compatibility – Fits standard wire binding machines that punch 2 holes per inch. Not for 3:1 pitch equipment.
• Binds 10–70 Sheets – Adjust margin size to bind different capacities: 2.5mm for 70 sheets, 3.5mm for 60, 4.5mm for 50.
• Letter Size Ready – 21 loops perfectly match 11" binding edge of 8.5 x 11" paper; ideal for office or classroom use.
• Strong Double Loop Metal – Black-coated wire delivers both durability and a sleek, professional look.
• Bulk Pack of 100 – Great value for schools, print shops, or businesses with regular binding needs.