Incorporating very strong magnets to facilitate working against steel surfaces, this version of the Incredibly Strong 600mm OX Pro Level features unique highly accurate UV resistant magnified dual Easy View vials which are backed by a lifetime 'Vial Warranty'. The strong aluminium profile is fine milled on top and bottom edges for 100% precision. Features easy-to-hold silicone air cushioned handles and perfectly positioned rubber studs to provide scratch protection when pressing against a wall as well as extra grip to the surface. Shock resistant endcaps protect against drops and bumps on site.