The Isomars Rolling Ruler 30cm is designed for effortless and precise measurements in drafting and design. Its smooth-rolling mechanism glides across surfaces, ensuring accurate lines without slipping. Made from durable materials with clear centimeter and millimeter markings, this ruler is perfect for students and professionals alike.
A big-size geometric set consists of the following products:
Set Square 45°
Set Square 60°
30 cm Ruler
Protractor 180°
All products are made from clear transparent polystyrene. Hot stamping technology or precise screen printing is used to imprint the scales. Accuracy of the length scale is 0.2% of length
The set is suitable for technical drawing, drafting and measuring of straight lines, sections, parallel lines, verticals, angles, and more for school or office.