Adjustable scale for engineers with rotating dial at each end to change units. Adjusts to 10, 20, 40 and 50 parts to the inch.
- Designed for the exacting needs of engineers.
- Change units quickly and easily by rotating dial at either end of scale.
- 12" measuring length, exact calibrations.
- Manufactured of the highest quality aluminum.
- Adjusts to 10, 20, 40 and 50 parts to the inch.