Rayson Wire Binding Spines, 1/2" 3:1 Pitch, 32-Loop Black, 100 Pack

Binding capacity: 25-100 sheets of 20# paper. The margin size affects the number of sheets that can be bound. For example, margins of 2. 5mm for 100 sheets, 3. 5mm for 90 sheets, and 4. 5mm for 80 sheets. , Pitch: 3:1 (32-Loops); Length: about 11 inches for letter size sheet format; Color: black; 100pcs per package. , Permanent binding keeps pages secure and allows them to turn easily. Available in various colors and sizes from Rayson. , 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 TD-132, TD1202, TD1202R, TD-1500B34 or TD-1500B34R wire binding machine.