For comfortable working. By releasing the hook cover rail, the spirals can be bent like a book spine. This allows you to flip through it like a book and comfortably write and read the individual pages up to the edge without creasing. High-quality and durable material in vibrant colors. With spiral mechanism (80 mm) for standard punching. With labeling lines. Usable for commercial binding (new documents from the top) and official binding (new documents from the bottom). Main features: Product color Green. Weight and dimensions: Dimensions W x D x H 242 x 318 x 2 mm, Width 242 mm. Technical details: Maximum capacity 250 sheets, A4 format.