Mars Professional Combination Set

A stainless steel math set for students. Cork backing prevents slipping and raises the tools from work surfaces to eliminate ink smearing. With built-in hang hole for easy storage.

Includes:
- 12 in ruler
- 6 in, 45° / 90° triangle
- 8 in, 30° / 60° triangle
- 6 in, 180° protractor (increments read both left to right and right to left)