Abney Eye Levels

Proline offers two sizes of quality-made eye levels which are affordable, accurate and easy to use. The Abney Eye Level consists of a fixed sight tube with a movable bubble that’s connected to a pointing arm and protractor scale. This surveyors instrument is used to measure degrees when bending pipe. Other uses include measuring percent of grade, topographic elevation and chain correction.

Contact Order Desk


  • Arc graduated in degrees 0-60º
  • Percent scale 0-100%
  • Complete with scale, clamp lock and leather case
  • Telescope measures 16cm long