If you're looking for a precise and reliable level with a slim profile, this is the right model for you. The reinforced aluminum rectangular profile of the Type 80 AS and Stabila's installation technology ensure precision and a long lifespan. The vials and measuring surfaces are precisely aligned during the production process and then firmly bonded together. This way, Stabila ensures that the level continues to measure with absolute precision even after many years. This level lives up to its promise.