Magnetic: strong rare earth magnetic system for adhesion to metallic components - free hands when aligning and adjusting posts and beams 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 readable: quality vials with fluorescent liquid. Highly transparent, robust acrylic glass with precisely ground inner contours and flush reading rings Long-lasting precision: built-in technology locked vials ensures long-term precision. Levels and profile are aligned exactly to each other once 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 in case of impact, Weight: 436.0 grams, Manufacturer: Stabila Meßgeräte Gustav Ullrich GmbH