Stanley FatMax Pro Box Beam Spirit Level 3 Vial magnified by 20% for improved 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 - Solid acrylic block vials provide best in class accuracy in 8 orientations of +/-0. 5mm/m.
