Rayson WR21127BK Wire Binding Spines, 2:1 Pitch Double Loop Binding Wires 1/2 Inch, 21-Loop Wire Ring Pack of 100 with Black

About this item

• Binding capacity: 25-110 sheets of 20# paper. The margin size affects the number of sheets that can be bound. For example, margins of 2.5mm for 110 sheets, 3.5mm for 100 sheets, and 4.5mm for 90 sheets.
• 2:1 Pitch, 21-hole pattern and 1/2 inch diameter; Including Color: Black;
• The wire coil can bind paper up to letter size. For smaller paper sizes, trim the excess wire with scissors.
• Durable double-loop metal combs guarantee long-lasting performance. The metal construction doesn't warp easily, and paper doesn't shift easily during binding, making it the first choice for binding important documents.
• Especially suitable for the Rayson TD1222 wire binding machine or any 2:1 pitch punching machine.