The DEWALT Box Beam Level offers accuracy with its solid block vials and durability with its large cross section and metal, and robust over moulded end caps. All sizes feature 2 vertical vials and 1 horizontal vial for versatility in levelling. The die cast centre vial holder maintains level accuracy under abusive work conditions. The centre vial is also magnified for maximum vial readability.The carry hand holes and hang holes on both ends make it easy to use, transport and store. Other features include; bridged centre vials for a continuous working edge and body rigidity and 2 milled surfaces for 0.5mm/m accuracy on 2 faces of the level.Specifications:Accuracy: ± 0.5mm/m. Ref: UTTK2092