General description The STANLEY FATMAX® XTREME™ Box Beam Level is engineered for durability and precision, making it an essential tool for any job. Its patented continuous edge allows for uninterrupted line drawing along the entire length of the level, while the fine milled primary edge ensures an accuracy of 0.5mm/m, complemented by a secondary edge accuracy of 0.8mm/m. The level features fully secured vial technology to protect against drop damage and a 90% larger plumb vial for enhanced visibility. Technical specifications Length: 200cm (2000mm) Accuracy: ± 0.5mm/m (primary), ± 0.8mm/m (secondary) Vial magnification: 20% Material: Lightweight aluminium body with solid-block acrylic vials Other information