About This

• 【1/4" Wire Binding Spines】Binding capacity is up to 20 sheets of 20 lb paper. The margin size affects the number of sheets that can be bound; for example, use a 2.5 mm margin setting for up to 20 sheets.
• 【3:1 Pitch, 32-Loop Design】These black wire binding spines are made for 3:1 pitch wire binding machines and 32-loop Letter-size binding. Please confirm your machine uses 3:1 pitch before purchase.
• 【100 Pack for Daily Binding】Each pack includes 100 black wire binding spines, giving you enough supplies for office, school, print shop or home document binding tasks.
• 【11" Letter-Size Length】Each binding wire measures about 11 inches long and is suitable for Letter-size documents. For smaller paper sizes, the wire can be trimmed as needed.
• 【Clean Black Finish】The black finish gives bound documents a neat and professional look, ideal for reports, manuals, training materials, presentations and business files.
• 【Secure Page Binding】Double-loop wire binding helps pages stay organized while allowing documents to open and turn smoothly for easy reading and presentation.
• 【Compatible with 3:1 Wire Binders】Works with 3:1 pitch wire binding machines, including compatible Rayson models such as TD-132, TD1202, TD1202R, TD-1500B34 and TD-1500B34R.
• 【Not for 2:1, Comb or Coil Machines】These are 3:1 pitch wire binding spines and are not compatible with 2:1 wire binders, plastic comb binders, spiral coil binders or thermal binding machines.