Set includes: 1 parallel rolling ruler and 200 drawing points in 10 sheets – a sufficient quantity for convenient use. Share the set with family and friends! Portable Size: The ruler measures 12 inches/30 cm, with both cm and imperial systems marked. Architectural points are 0.91 inches/2.3 cm in diameter. Lightweight and Portable: Made of high-quality plastic, this rolling ruler is strong, durable, lightweight, and portable. It helps develop crafting skills and sparks imagination for drawing various patterns. Easy to Use: Secure points can be attached to the four corners of the drawing or fixed in any position to allow your paper to slide smoothly. They won't damage the paper and leave no marks after removal. Versatile Use: With a clear scale, this rolling ruler is easy to use for drawing, painting, arc curves, horizontal parallel lines, vertical parallel lines, etc. Ideal for architects, artists, students, and office workers. Color: As shown Material: Plastic Package Contents: 1 x Ruler Set Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowable measurement error is +/- 1-3 cm.