Chumia 100 Pcs Twin Loop Wire Binding Spines Spiral Binding Coils Metal Double Loop Wire Spines Combs 1/4in 5/16in 3/8in 1/2in 9/16in for Teacher Student Document Notebook Making(Black)

Description

🖇️ Elevate your documents with style and strength — bind like a boss!

Chumia’s 100-piece set of black metal twin loop wire binding spines offers five size options (1/4" to 9/16") with a 3:1 pitch for smooth, secure binding. Crafted in the USA, these durable coils provide 360° rotation for easy handling and a sleek, professional finish perfect for office, school, and project use.