Butterfly BT-550 – Triangle School Ruler Set

A complete ruler set for school and geometry drawing needs. Practical for use in the classroom or for drawing hobbies. Available in 2 attractive designs: Nero and Pengu.

BT-550 Ruler Set Includes:
- 1 straight ruler (15 cm)
- 1 protractor (180°)
- 1 right triangle ruler (45°)
- 1 right triangle ruler (60°)