Stanley FatMax XL Spirit Level delivers professional-grade accuracy with magnified vials enlarged by 20% for superior visibility on every job. The dual machined levelling surfaces ensure maximum precision, while solid acrylic block vials maintain exceptional accuracy across 8 orientations at ±0.5mm/m. Built with rock-solid box beam construction—up to 5 times stronger than standard Stanley levels—this 120cm tool features bi-material hand grips securely screwed into the frame for durability and control. Engineered for contractors and serious DIYers who demand reliability.