Description: 【Ergonomic Design】: This measuring triangle features an ergonomic design that ensures a comfortable grip and easy handling, making it user friendly for all your tasks 【Clear Markings】: Equipped with clear, easy read markings, this Set Square allows for accurate measurements and drawings, enhancing precision in your work 【Lightweight and Portable】: Designed to be lightweight and portable, this Triangle Ruler is easy to carry and store, making it ideal for use in both school and office settings 【Versatile Use】: Great for students, teacher, designers, architects, and other professionals; this multifunctional set square and protractor ruler is great for drawing, measuring, marking, and more 【Material & Packaging】: Made from quality PS with two sizes available (small 157x111 MM; large 226x160 MM), each package includes 1 small Set Square and 1 large Set Square Size Chart: Small: 15.7cmx11.1cm/6.18inchx4.37inch Large: 22.6cmx16cm/8.90inchx6.30inch Package Includes: 1 Small set square 1 Large set square