6mm (1/4") Navy Spiral Plastic Coils 12" 4:1 Pitch 35 Sheet Capacity 100pc

They have standard 4:1 pitch hole spacing for perfect compatibility with any 4:1 pitch coil binding punch machine. 12" Long Coils (Standard Letter Size). 4:1 Pitch (Standard) Hole Spacing. Binds 5-35 Sheets (20 lb.).

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