1. **Robust Aluminum DieCast Construction**: This rightangle level is crafted from quality aluminum diecast, offering exceptional durability and wear resistance. Built tough to withstand demanding job site conditions, this rugged level maintains its accuracy and reliability even after extensive use in challenging environments. 2. **Precise 90Degree Angle Measurement**: Specifically designed for right angles, this level features a sensitive bubble vial with 30 minutes per inch accuracy. The large 2.2 cm diameter vial ensures visibility under various lighting conditions, making it ideal for precision work on vertical and horizontal surfaces. 3. **Adjustable Calibration Vial**: Equipped with an adjustable vial system that allows finetuning and precise calibration. This feature ensures consistent accuracy across different applications and working conditions, giving you confidence in your measurements every time. 4. **Versatile Compatibility**: Suitable for both round and square bars, this versatile level works with a wide range of equipment, including centering bars, grade bars, rail lighting installations, and surveying instruments. Its design makes it an indispensable tool for various professional applications.