The versatile drafting ruler conveniently allows architects and artists to transfer different measurements to paper while maintaining the same scale. This ensures that the drawings scale to each other. EASY TO USE: The versatile drawing ruler is a great tip for improving your drawing, this easy-to-use tool scale divider can transfer subject files to canvas or paper. No guesswork to draw anywhere, anytime. Versatile: Proportional dividers allow the draughtsman or artist to create an accurate scale replica of the original painting. The ability to transfer scale is applicable in many fields, including art, architecture and engineering. Accurate Production: Proportional dividers are accurate, pocket-sized, and require no special electronics, so they are a popular tool in these fields. Artists have found that scale dividers are especially helpful for transferring very small scales that might otherwise be difficult to reproduce. Delivery Quantity: 1pc, Package Contents: Only the above package contents, excluding other products. Size: 26*1.8cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: black as shown (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)