Bosch Optical level GOL20D Professional

Robust and reliable – ideal for outdoor use
Ideal for outdoor use due to a robust housing with dust and splash protection (IP54)
Fast aperture for excellent staff reading
Compensator lock for safe transport
Target collimator for rough alignment
Penta prism makes it easy to read the circular vial
Erect image
Large focusing knob for easy alignment
Fast aperture for a sharp image of the target (measuring rod)
Endless degree/angle setting using knobs with friction-braked rotation