You're assured of drawing sharp lines and edges, and measuring accurately, due to the simple and clear black graphic metric measurements up to 20cm.
Standardgraph is a well-known stationery manufacturer from Germany, which produces a lot of practical and well-made writing instruments.
SIZE: 2.5 x 20.5cm. 20cm ruling.
Moleskine - Classic - Soft Cover - Extra Large (19x25cm) - Dot Grid Notebook - Orchid Purple