Bosch GOL20D Optical Level
GOL20D Bosch Optical Level built for outdoor use due to the robust housing plus dust and splash protection IP54, the fast aperture of this GOP20D level gives a sharp image of the target and the target collimator allowing for quick rough alignment. The penta prism in this GOL20D Bosch Optical Level makes it easy to read the circular vial. These superb optical levels are fitted with a large focusing knob for easy and quick alignment and endless angle setting using knobs with friction-braked rotation