The Stabila Series 80U-2 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. There are two vertical vials for quick and easy reading in any position, and one horizontal. The levels are firmly fitted with impact-resistant plastic end cap. 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 installers, tilers, and plumbers. Perfect measuring tool for DIY. Specification Normal Position Accuracy: ±0.5 mm/m.Overhead Position Accuracy: ±1.0mm/m.3 Vials: 1 Horizontal and 2 Vertical.Measurement: 1 Coated Measuring Surface. Stabila 18786 80U-2 Spirit Level 3 Vial Length: 50cm (20in).