The Stanley 043637 FATMAX Pro Magnetic Level is a 900mm professional-grade spirit level designed for precision and durability. It features solid block acrylic vials for exceptional accuracy of +/- 0.5mm/m, including a magnified center vial for improved visibility. The level is constructed with a lightweight yet robust aluminium body and incorporates a die-cast bridge for added strength. Its magnetic base allows for hands-free operation on metal surfaces, while rubber over-moulded end caps provide superior shock resistance and protection against drops. This genuine Stanley level is built for demanding job site conditions.