Ludwig
Precision Aluminum Straight Edge

Straight edge and rule combined to give you an edge always ready to use. Large, easy to read numbers and calibrations. Lightweight and non-rusting. Calibrated to 32nds through the first 6" on every item. Edge-to-edge calibrations for easy length-of-item measurements. English and Metric calibrations on each ruler.

These straight edges are 1.75" wide, 1.6 mm thick.