Rayson WR21159BK Wire Binding Spines, 2:1 Pitch Double Loop Binding Wires 5/8 Inch, 21-Loop Wire Ring Pack of 50 with Black

About this item

• Binding capacity: 20-145 sheets of 20# paper. The margin size affects the number of sheets that can be bound. For example, margins of 2.5mm for 145 sheets, 3.5mm for 135 sheets, and 4.5mm for 125 sheets.
• Pitch 2:1, 21-hole pattern and 5/8 inch; Color: Black;
• The wire coil can bind paper up to letter size. For smaller paper sizes, trim the excess wire with scissors.
• Perfect for internal reports and functional documents. Especially binding using with Rayson TD1222 wire binding machine or any other 2:1 pitch punching machine;
• Durable double-loop metal binding wire 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.