Eachine Clear Metric Parallel Multi-Purpose Drawing Rolling Ruler

Description : Clear Metric Parallel Multi-purpose Drawing Rolling Ruler Multi-function --- Can be use as a compass, horizontal ruler, straightedge, protractor, circle template and angle template Practicability --- Combination Rolling Rulers, Ideal for drawing vertical lines, parallel lines, charts, graphs, circles, 3-D drawings etc... Affordable --- Ideal for students, artists, and designers Specifications : Material : Plastic Dimension(Approx) : 308mm x 60mm x 27mm(L x W x H) Measurement Range : 30cm, 12 Inch Main Color : Clear Package included : 1 x Parallel Multi-purpose Drawing Rolling Ruler Details pictures :