1200 MM SPIRIT LEVEL: The unique 1200mm OX Level with Steel Rule is the best solution for integrated measuring and marking. ACCURATE VIALS: The vials in the OX Spirit Level comes with a life time warranty. The vials are individually calibrated to an accuracy of 0.0005”/’(0.5mm/m) or 0.029”. SHOCK-PROOF POLYPROPYLENE END CAPS: The OX Spirit Level is virtually unbreakable, shock-proof and the end-caps have air cushioned PVC shock absorbers which protects the level from any damage incase of a fall. The end-caps are also detachable and can be easily replaced whenever required. INTEGRATED STEEL RULER: The OX Spirit Level along with an integrated steel ruler help builders and carpenters for measurement in diverse conditions without any hassle. MILLED BASE: The surface of the OX Spirit Level is finely milled with a V-Groove for accurate and easy placement on pipes and curved surfaces.