These Wire-O binding wire, also called "double-wire" or "twin-loop binding wire," is a versatile binding spine, with 3:1 pitch and 32-loop are available in a wide range of sizes that offers security and durability, but with style and affordability.
The wire binding spines are 11 inches in length and are designed to be used with Letter size documents. However, they can also easily be cut with wire cutters to accommodate books with spines smaller than 11 inches long and can then used with a binding machine TD-132, TD-1500B34, TD-1500B34R, perfect for binding reports, presentations and any other book binding projects.
This is very important distinguish 3:1 from 2:1 cause the things to be as different. 3:1 means per inch has 3 holes. They are used with different binding machine.
RAYSON ELECTRICAL MFG. LTD. is Office Stationery specialist.The 雷盛 brand products are taken off in China market. The RAYSON, Burostyle, MANDRILL Brand had successful march into Europe, Russia, S.E. Asia, Eastern Europe, South America.