Machine-DRO Digital Angle gage with magnetic base and backlight The Machine-DRO digital angle gage/inclinometer has a wide range of applications for measuring and setting angles Displaying the measurement on an easy to read LCD display with backlight Easy to calibrate - any reference surface, by placing the unit onto a surface and pressing the zero button The unit constructed from an aluminum extrusion with strong magnets fitted in the base. The ABS moulded front panel has the LCD display, on/off and zero buttons