Bosch Optical Level GOL 32 D Professional This Bosch GOL 32 D Optical Level is ideal for outdoor use due to a robust housing with dust and splash protection (IP54). There is a fast aperture for a sharp image of the target Compensator lock for safe transport. FEATURES Robust design with built-in target collimator and integrated circular vial Compensator lock for safe transport Target collimator for rough alignment Penta prism makes it easy to read the circular vial Large focusing knob for easy alignment High precision (1.6 mm/30 m) over long distances Endless degree/angle setting using knobs on both sides with friction-braked rotation SPECIFICATION Unit of Measure: 360 Degrees Levelling Accuracy: 1.6 mm at 30 m Tripod Thread: 5/8\" Length: 215 mm Width: 135 mm Height: 145 mm Weight Approx: 1.7 kg