MyLifeUNIT Professional Plastic Engineering Triangular Scale Ruler 1 100 1 200 1 250 1 300 1 400 1 500

MyLifeUNIT Professional Plastic Engineering Triangular Scale Ruler 6 scales: 1:100, 1:200, 1:250, 1:300, 1:400, 1:500 Material: High quality PS material Features: Plastic triangle ruler allow precision drawing for painters, manth teachers, students, architects, engineers and carpenters; Good quality PS ruler with the features of non-toxic, odorless and wear-resistant. It is light, with the strong toughness and is not easy to break; Rulers can be used in both dry and wet environments, heat and cold resistance; Ruler with plastic box is able to protect the ruler for longer use;