1.Clearly marked metric scale. 2.There are 3 colored faces, each with different proportions. 3.Six scales allow architects, engineers and carpenters to make precise drawings.
4.3 random color-coded surfaces: 1:100/1:500, 1:250/1:400, 1:200/1:300 5.material: plastic 6.Ruler length: about 30 cm
Description
1.Clearly marked metric scale. 2.There are 3 colored faces, each with different proportions. 3.Six scales allow architects, engineers and carpenters to make precise drawings. 4.3 random color-coded surfaces: 1:100/1:500, 1:250/1:400, 1:200/1:300 5.material: plastic 6.Ruler length: about 30 cm