5/16" 3:1 Twin Loop Binding Wires (100/bx) Color:Black it has the capacity to

it has the capacity to cut through paper stacks up to 2

It is ideal for one-sided jobs like posters

All Premium binding coils have a 4:1 pitch (4 holes per inch) and are fully compatible with any matching 4:1 pitch coil binding machine

and LED digital readout

long and intended for standard Letter size projects

5/16" 3:1 Twin Loop Binding Wires (100/bx) Color:Black it has the capacity toWire O binding wire, also called "duo wire" or "twin loop binding wire," is a versatile binding spine that offers security and durability, but with style and affordability. These wire spines are perfect for reports, presentations, calendars, sketchbooks, as well as other binding projects that require an additional level of sophistication. These 3: 1 pitch wire O binding wires are designed to fit the distinct hole pattern of a 3: 1 pitch wire binding