The adjustable multifunctional drawing ruler can be used to transfer the subject matter to canvas or paper while maintaining proportions. Easy to use. Increase, decrease or measure the size to be drawn It allows architects and artists to ensure that the drawings can be scaled to each other, and the proportional partition is 10 inches x 0.5 inches x 0.25 inches High precision: accurate proportional distributor, pocket size, no need for extra complex electronic tools Using high-strength plastic, fine workmanship, portable and compact, suitable for carrying around Versatility: It allows the drafter or artist to create an exact scale of the painting. Suitable for many fields, including art, architecture and engineering drawing, etc. Specification: Material: Plastic Size(LxW): Approx. 26x1.8cm/10.24x0.71inch Package Includes: 1 Piece Proportional Scale Divider Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!