【Ruler & Compass Set】Set includes Magnetic protractor, 60° magnetic right-angle triangle plate + 45° magnetic equilateral right-angle triangle plate + compass. 【Design】Designed for the classroom. This oversized large tool set is perfect for teaching a class when using a whiteboard. It includes which will help position the protractor while drawing, as well as an ergonomic handle to ensure accurate drawings can be made. 【High Quality】This protractor is made of quality plastic,with clear engraving scale, easy to read, durable and convenient to use. Can withstand multiple drops in a classroom environment. 【Multifunctional Measurement Kit】This kit is designed to help you draw and measure lines, corners and circles, etc. It is an essential tool for students and teachers to draw diagrams and learn mathematics. Perfect for office and school work, student, engineer, artist, mathematician or carpenter painting. 【Complete Geometry Set】Our toolset includes all the necessary instruments to explore geometry effectively. With a compass, protractor, and two triangle rulers, educators have everything they need for engaging lessons., Manufacturer: HENSIR