Quick measuring and transferring angles: rotating angle level for determining inclinations and gradients High-quality workmanship: pleasantly light aluminium profile spirit level with coated measuring surface and smooth side surfaces. Easy to clean thanks to electrostatic powder coating Optimal reading: quality levels with fluorescent liquid. Highly transparent, robust acrylic glass with precisely ground inner contours and flush fitting reading rings Long-lasting precision: built-in technology Locked Vals ensures long-term precision. Dragonflies and profiles are aligned exactly to each other and then firmly connected to each other Suitable for construction sites: measuring accuracy in normal position ± 0.5 mm/m. Accurate reading from -20°C to +50°C. Plastic end caps to protect the profile during hits, Weight: 1.4109584768 pounds, Manufacturer: Stabila Meßgeräte Gustav Ullrich GmbH