About This

• 【9/16" Wire Binding Spines】Designed for medium-thick documents, these 9/16" black wire binding spines bind 25-120 sheets of 20 lb paper, making them suitable for reports, manuals, proposals and project files.
• 【Capacity by Margin Setting】Binding capacity varies by margin setting and paper thickness. Use a 2.5 mm margin for up to 120 sheets, 3.5 mm for up to 110 sheets, and 4.5 mm for up to 100 sheets.
• 【3:1 Pitch, 32-Loop Design】These double-loop binding wires 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 Office Binding】Each pack includes 100 black wire binding spines, suitable for reports, manuals, presentations, proposals, project files, training materials and office documents.
• 【11" Letter-Size Length】Each binding wire measures about 11 inches long and is designed for Letter-size documents. For smaller paper sizes, the excess wire can be trimmed with scissors.
• 【Clean Black Finish】The black finish gives bound documents a neat, simple and professional look, making it suitable for business, school, office and print shop use.
• 【Secure Double-Loop Binding】Double-loop wire binding keeps pages organized and allows documents to open and turn smoothly for easy reading, filing and presentation.
• 【Compatible with 3:1 Wire Binders】Works with compatible 3:1 pitch wire binding machines, including Rayson TD-132, TD1202, TD1202R, TD-1500B34 and TD-1500B34R.
• 【Not for Other Binding Systems】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.