5/16" 3:1 Twin Loop (Wire-O) Binding Wire Spool (62,000 Loops/Spool) Padding Presses ) These plastic spiral binding

) These plastic spiral binding coils can easily be cut to accommodate books with spines smaller than 11 in

but easily accommodates other sheet sizes with its open punching throat and five disengageable pins

The OffiWire-31's punching mechanism is made up of hardened steel dies that provide clean and precise punching on up to 10 sheets at a time (based on 20 lb

Spiral Coil Diameter Scale: Helps to verify the coil diameter size

5/16" 3:1 Twin Loop (Wire-O) Binding Wire Spool (62,000 Loops/Spool) Padding Presses ) These plastic spiral bindingWire 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. 3: 1 pitch wire o binding wires are designed to fit the signature hole pattern of a 3: 1 pitch wire binding machine (three holes per inch = 32 holes per letter sized sheet). Wire O binding wires from Lamination Depot are fully compatible with all standard wire binding machines,