Butterfly J-12 Triangle Ruler

Suitable for Mathematics, Geometry, and Technical Drawing lessons
Ideal for elementary, junior high, senior high school students, and university students
Made from high-quality clear plastic, easy to read and durable

Ruler Contents: 2 types
- Right-angle triangle ruler
- Isosceles triangle ruler

J-12 Triangle Ruler Sizes (Butterfly):
- 35 × 24.8 × 24.8 cm (Isosceles Triangle)
- 30 × 20.2 × 40.2 cm (Right-Angle Triangle)