An impact-resistant ABS plastic level that will withstand temperatures between -15C and +60C. It has impact-resistant tubular vials with extremely high transparency and durability. Sensitivity of 13 mm/m and a tolerance in normal position of 1.5 mm/m. The vial fluid is a low viscosity, coloured oil mixture that gives the bubble the best possible conditions for movement and is resistant to UV light and temperature fluctuations. The bubble is not affected by static electricity as the fluid is anti-static.