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)