Filters
Clear- Electronic: It includes a digital screen for displaying degrees.
- Magnetic: Contains a magnet for stability on metallic surfaces.
- Adjustable: It can be adjusted to any angle needed.
- Number of Eyes: The eyes (or bubbles) are the green cylinders filled with liquid and are responsible for indicating the slope through a bubble contained in each one. For example, in the horizontal eye, if the bubble is between the two lines, then the surface is level.