Stanley 0-43-672 Fat Max Xtreme Box Beam Level with vials magnified by 20% for enhanced all round visibility.
Features: Vials magnified by 20% for enhanced all round visibility Dual machined levelling surfaces for maximum accuracy Bi-material hand grips are screwed into the frame Rock solid box beam construction is up to 5 times stronger than other Stanley levels Rare earth magnets, which are twice as strong as basic strip magnets, are built into the level for stability Solid acrylic block vials provide best in class accuracy in 8 orientations of +/-0.5mm/m [http://www.youtube.com/watch?v=N1 Tpv 4SCN8k] Length in inches: 72 Length in cm: 180 Accuracy in mm/m: 0.5 Vials: 3