Butterfly J-8 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-8 Triangle Ruler Sizes (Butterfly):
- 25 × 21.3 × 21.3 cm (Isosceles Triangle)
- 25 × 14.5 × 28.8 cm (Right-Angle Triangle)