Abney level with 1 1/8″ radius arc graduated 0 to 90 degrees in both directions, with vernier reading to 10 minutes, and percent of grade scale from 0 to 100 percent. Measures 5 1/8″ long and comes complete with belt loop case. Sokkia part number 804715
This Abney level can be used with the Precision Jacob’s Staff also sold on our website.
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