The Stabila Series 80U Spirit Level has a rectangular aluminium profile with a powder coating that protects sensitive surfaces. The spirit level is easy to clean due to its smooth surfaces and an electro-static powder coating in anodised colour. The levels are firmly fitted with impact-resistant plastic end caps. The patented STABILA vial system ensures long-lasting accuracy and offers precise measurement even for heavy-duty tasks. Especially for carpenters and cabinet makers, electro installations, tilers, and plumbers. Perfect measuring tool for DIYs. Specification Normal Position Accuracy: ±0.5 mm/m.Overhead Position Accuracy: ±1.0mm/m.2 Vials: 1 Horizontal and 1 Vertical.Measurement: 1 Coated Measuring Surface.Stabila 18800 80U Spirit Level Length: 100cm (40in).