CST/Berger 17-640 5-1/4 in. Abney Level with Radius Arc Graduated 0° to 90°. Includes vernier reading to 10 minutes and percent of grade scale from 0% to 100%. Complete with Cordura belt loop case. 5-1/4 in. Long with radius arc graduated 0° - 90° in both directions, with vernier reading to 10 minutes and percent of grade scale from 0% - 100%.
- Brass construction
- Versatile with eyepiece draw providing greater accuracy
- Convenient design allows quick field maintenance and repair
- Positive 2-screw motion allows easy adjustment