The tough 900mm OX Trade Level features unique highly accurate UV resistant magnified dual Easy View vials which are backed by a lifetime 'Vial Warranty'. The strong but lightweight aluminium profile is fine milled on the base edge for 100% precision. Shock resistant endcaps protect against drops and bumps on site. It has 3 Solid Acrylic Vials With Accuracy Of .5mm/M Or .0005in/In and UV Resistant Vials. The Milled Surface On Base is up to 1200mm Length and it comes with Shock Absorbing Rubber End Caps. This product has a Lifetime Vial Warranty and a Strong, Lightweight Aluminium Profile. Available in 600, 900, 1200 and 1800mm.