Experience precision like never before with the Bosch GOL 20 D Professional Optical Level, designed for professionals who demand reliability and accuracy on the job. Featuring a fast aperture, this optical level ensures excellent staff readings, making it ideal for construction and surveying tasks. Its robust housing is built to withstand outdoor conditions, offering dust and splash protection rated at IP54. The compensator lock safeguards the pendulum from damage and calibration loss during transport, ensuring you can rely on it wherever you go. Included with your purchase are essential accessories: a plumb bob for easy alignment, a lens cover to protect the optics, an adjusting pin for fine-tuning, a hex key for adjustments, and a sturdy carrying case for convenient transport. Key Specifications: - Unit of Measure: 360 degrees - Magnification: 20x - Accuracy: ± 3.0mm at 30m - Working Range: 60m - Dust and Splash Protection: IP54 - Operating Temperature: -10 to 50 degrees Celsius - Storage Temperature: -20 to 70 degrees Celsius - Tripod Thread: 5/8 inch - Weight: 1.5kg Upgrade your surveying toolkit with the Bosch GOL 20 D Optical Level and ensure your projects are completed with the utmost precision.