Spiral Metallic Black 5:1 (300 Pcs.) (6 mm)

If you like the black metal spiral to bind all your notes and documents, get this box that includes no less than 300 units and you will have for a good season. Made with top quality materials, flexible and very resistant, these 5 mm pitch and 6 mm comb diameter spiral binders are made in Europe and guarantee an attractive and durable finish.

Remember that the pitch refers to the distance between the perforations, which in this case is 5 mm (the most universal standard measurement). As for the comb diameter, it determines the maximum thickness that your binding can have. With a 6 mm comb, the maximum thickness of the book will be 4 mm.