Designed for the exacting needs of engineers. Change units quickly and easily by rotating dial at either end of scale—no need to move the scale from the work surface. 12" measuring length, exact calibrations. Manufactured of the highest quality aluminum. Adjusts to 10, 20, 40 and 50 parts to the inch.

• Includes one triangular scale.


• Features
• 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.


• Specifications
• Color Silver
• Global Product Type Rulers-Ratio Scale Rule
• Length 12"
• Material Aluminum
• Post-Consumer Recycled Content Percent 0%
• Pre-Consumer Recycled Content Percent 0%
• Ruler Type Triangular Scale
• Special Features Aluminum Engineers Ruler
• 12"
• Silver
• Total Recycled Content Percent 0%