TiltSmart Inclinometers (also known as a clinometer) are low-cost rugged slope (tilt) meters that provide a quick visual reference of safe operating angle, allowing for safer equipment operators. Each has a rugged plastic case for long-term durability, ball in scientific glass fluid-filled tube construction for precision and smooth roll, angle ranges for most vehicle types, large bright white degree markings for easy read, common mounting holes for field retrofit or high bond VHB tape (included) for quick install equals the best value for the lowest price.