| Location | St. Paul |
| Location Code | T Squares/rulers levels |
| Manufacturer | Helix |
24 inch T square that has 24 Inches on one side and 61 centimeters on the other.
Aluminum
| Location | St. Paul |
| Location Code | T Squares/rulers levels |
| Manufacturer | Helix |
24 inch T square that has 24 Inches on one side and 61 centimeters on the other.
Aluminum