Transparent spine A4/3 mm, up to 30 sheets.

• Imported 3 mm ribs.
• Quantity: 50 pcs.
• Fastest method of binding documents.
• Ability to bind documents with a maximum of 150 sheets.
• Rounded edges for easy insertion of the document.
• Special system that keeps the sheets of paper in place.
• Available spine colors according to your taste.