About This

• 【Product Specifications】Includes 100 pcs of 7/16" wire binding spines in black, white, rose gold, silver, and golden. 2:1 pitch, 21-hole pattern, designed for letter-size binding projects.
• 【15–90 Sheet Capacity】Binds 15–90 sheets of 20 lb paper. The margin setting affects binding capacity: 2.5 mm for up to 90 sheets, 3.5 mm for up to 80 sheets, and 4.5 mm for up to 70 sheets.
• 【For 2:1 Pitch Machines】Compatible with RAYSON TD1222 wire binding machine and other 2:1 pitch (per inch has 2 holes) wire binding machines. Please confirm your machine pitch before purchasing.
• 【Letter Size & Custom Fit】Designed for letter-size documents. For smaller paper sizes, trim the excess wire with scissors or a wire cutter crimper after binding.
• 【Durable Double Loop Wires】Made of sturdy metal wire for a clean, secure bind. The double-loop design helps pages turn smoothly and stay aligned during use.