11 clear plastic rulers in a set. Each ruler measures 15.7 x 3 cm (6.18 x 1.17 in), with a thickness of 1.7 mm (0.066 in) and a measuring range of 15 cm (6 in). Each ruler provides two units of measure (centimeters and inches) to meet different measurement requirements. Premium quality and durability - Made from sturdy plastic for strength and reliability; resistant to breaking and wear. - Lightweight and easy to carry, store, and reuse over time. - Both sides are engraved with precise black scale marks to improve readability and ease of use. Dual scale design for versatility - Transparent ruler with clear black scale marks in both centimeters and inches. - Dual scale enables quick unit conversions and accurate measurements, as well as easy drawing of straight lines in different sizes. Wide range of applications - Precise double-scale measuring tools with clear scales suitable for a variety of users. - Ideal for teachers, students, engineers, architects, designers, artists, craftsmen, and professionals with measurement needs. - A practical partner for all precise measurement tasks, whether in classroom projects, drafting, or everyday tasks. Use scenarios - Classroom or school projects: measure and compare dimensions, draw straight lines, and convert between cm and inches on the fly. - Drafting and design: lay out plans with accurate measurements and straight lines using the dual-scale rulers. - Craft, sewing, or DIY: measure fabric, paper, or components up to 15 cm with confidence, and translate measurements between metric and imperial units.