2 Pieces Rolling Parallel Ruler 30cm, Multi-Purpose Roller Ruler, Plastic Rolling Parallel Ruler, for Measuring Drawing Design

General description The 2 Pieces Rolling Parallel Ruler is a versatile tool designed for measuring, drawing, and design tasks. With a length of 30cm, it is ideal for creating parallel lines, shadow lines, circles, and more, making it an essential aid for students, teachers, artists, designers, and architects. Technical specifications Length: 30cm Material: Transparent plastic Scale: Marked in metric and inch Usage Creating parallel lines and circles Drawing calculations for various projects Convenient for unit conversion with marked scales Other information Includes various formulas and conversion factors on the built-in scroll wheel Lightweight and portable design