General description This is a high-precision spirit level designed for professional and DIY use. The Stabila 80U-2 Spirit Level features a durable aluminum rectangular profile with reinforced grooves for stability and strength. It includes sealed, perfectly aligned vials for accurate readings in both horizontal and vertical positions, making it ideal for carpenters, cabinet makers, electro installers, tilers, and plumbers. Technical specifications Length: 40 cm (16 in) Accuracy: ±0.5 mm/m in normal position, ±1.0 mm/m in overhead position Number of Vials: 3 (1 Horizontal and 2 Vertical) Material: Aluminum profile with reinforcement grooves Magnets: Equipped with powerful rare-earth magnets for strong adhesion to metal surfaces Installation Place the level on the surface to be measured, ensuring it is stable and free of debris. Use the magnets to attach the level securely to metal surfaces if needed. Ensure the vials are visible and the bubble is centered for accurate measurement.