10 Pcs Binding Combs 30 Rings Comb Binding Spines Coil Binding Machine Plastic Spiral Book Binder for Teacher Student Document Notebook File Making, Black White, 3/8 Inch

Features

• 【Great Value Set】10pcs binding combs, classic black and white, sufficient quantity perfect for daily binding notes, documents, reports, etc., providing you with convenience and professionalism.
• 【Premium Material】These comb binding spines are made of high-quality plastic material, soft and tough, flexible to bend, easy to open and close, durable and reusable, can serve you for a long time.
• 【30 Hole Length】These binding coils have 30 hole posts, the total length is 28cm / 11inch, you can cut the length according to your needs, it can achieve 30 holes/A4, 26 holes/B5, 20 holes/A5.
• 【3/8 Inch Diameter】Each spiral binding coil has approximately 10mm/3/8" diameter thickness and can support a maximum capacity of 65 sheets of filler paper, plenty of space for your binding needs.
• 【Widely Applicable】These practical spiral coil binders are spaced approximately 10mm apart, suitable for most binding machines, compatible with 10-hole punches, 20-hole punches, and 30-hole punches.