Features: Brand new and high quality Magnet triangle ruler set is made of high-quality plastic material, easy to use and store. With durable construction, easy-to-read markings, and magnetic properties, the magnetic large triangle ruler set is a versatile tool that will help you achieve accurate and consistent results. This protractor is ideal-for use in the classroom, office, or at home, and can be used for a variety of tasks. This is the must-have tool at the math class, with this tool the-teacher can show the process of solving the geometric problems. Whether you are a student looking to ace-your geometry class or a professional needing to create detailed drawing, this set is perfect for anyone who needs to measure angles with-precision. Specifications: Material: Plastic 90° Triangle Ruler Size: approx 57x33cm/22.44x12.99 inches 45° Triangle Ruler Size: approx 40x40x56cm/15.75x15.75x22.05 inches Protractor Size: approx 50cm/19.69 inches Compasses Size: approx 41.5cm/16.34 inches Type: Triangle Ruler Set/Protractor/Compasses Package Includes: 1 Set Triangle Ruler 1x Protractor 1x Compasses note: Please allow 1-3cm errors due to manual measurement. Due to the difference betweeen different monitors,the pic may not reflect the actual color of the item.