The S 300 aluminium spirit level, 3 vials, 40 cm 71-131 by NEO is a high-end measuring instrument with built-in three tubular vials (45, 90, and 180 degrees), using the force of Earth's gravity to determine the horizontality or verticality of planes in construction. This model features dimensions of 51.5 x 20.5 x 400 mm. It has a profile thickness of 1 mm and a density of 0.395 kg/m. The level's accuracy is set at 0.029° = 0.5 mm/m. The tool is made of aluminium and is equipped with 2 anti-shock caps. It is recommended for professionals and DIY enthusiasts.