Special spirit level 80 cm, 5 vials, various angles 71-123 from NEO brand is a tool for professionals with up to 5 vials. It allows you to measure angles: 0°, 1.5°, 3.5°, 45°, 90°. The spirit level is 80 cm long and 3 cm wide. Its accuracy is specified as ±0.5 mm/m. The comfortable handle and metric scale on both sides of the tool make working easier. It is recommended for measuring gradients in sewer pipes or paving stones.