Double Optical Square

- Large centre glass for easy lining up.

- All metal housing and sliding protective cover.

- Includes carry pouch.

 

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Why buy from us?

 

Delivery policy

  • 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. 

Opsquare

Specific References

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