Pack of 4 Pieces Math Geometry Set. This Pack of 4 Math Geometry Set provides all the essential tools needed for accurate measuring, drafting, and technical drawing. The 30cm dualscale ruler features both metric and imperial measurements, allowing seamless conversions and ensuring precision for schoolwork, design, and professional tasks. The set includes a 23cm / 30 set square, a 15cm / 45 set square, and an 11cm / 180 protractor, each crafted for durability and longlasting performance. Made from strong, wearresistant materials, the pieces maintain clarity and accuracy even with frequent use. Ideal for students, architects, designers, and anyone working on detailed layouts or geometric projects. A reliable, highquality set built to withstand daily use while delivering consistent precision.