Stanley 0-43-636 FatMax Xtreme Box Beam Level 90cm The Stanley 0-43-636 is up to 5 times stronger than other Stanley levels thanks to its rock-solid box-beam construction built into the level for stability. The solid acrylic block vials provide the best in class accuracy in 8 orientations of +/-0.5mm/m. They are magnified by 20% for improved all-round visibility. Features: Bi-material hand grips are screwed into the frame Dual machined levelling surfaces for maximum accuracy Durable powder-coated frame Low profile vial covers for easy cleaning Rock-solid box beam construction is up to 5 times stronger than other Stanley levels Rubber over-molded protective end caps Solid acrylic block vials provide best in class accuracy in 8 orientations of +/-0.5mm/m Vials magnified by 20% for improved all-round visibility Specification: Length 900mm (36 in) Vials: 3 Net Weight: 0.8kg