Double Optical Square with carry pouch
Builders quality double penta prism for fast right angle sighting in either direction.
The accuracy of a right angle set out with the optical square is approximately ±1cm at 30m.
Used for: Placing points on line, Setting out curves, Offset measurements, Determining the horizontal, Detail plans and area measurement, Simple height measurements.
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- Large centre glass for easy lining up.
- All metal housing and sliding protective cover.
- Includes carry pouch.
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