30cm Multifunctional Trigometric Three-edge Triangle Scale Ruler

Product Details

1. Product name: Multifunctional three-edge scale

2. Three edge scale made of ABS material, light high, good toughness, wear and durable, easy to read the value；

3. The line is straight, the operation is smooth, the product is made by heart, the measurement and the line can be a good helper for work and study；

4. Red, blue and white three colors six high precision scaleproportions, 1:100, 1:200, 1:250, 1:300, 1:400, 1:500;

5. Transparent PVC packaging material, can be stored and protected, according to the shape and size of the three-edge scale design protection box can be stored and protected.