Optical Square
A classical prism optical square for determining 90° angles and straight lines. High quality glass ensures clear and sharp image. Prisms in a sturdy protective housing.
The pack includes:
- Optical square
- Plum bob 150 g
- Pouch
A classical prism optical square for determining 90° angles and straight lines. High quality glass ensures clear and sharp image. Prisms in a sturdy protective housing.
The pack includes: