Series 70 - Smooth aluminium rectangular profile - Ideal light spirit level - Easy to clean - Measuring accuracy in normal position 0.5 mm/m - One coated measuring surface - Standard end caps - 10 years warranty Accuracy in normal position / 0.029° = 0.5 mm/m Measuring surfaces / 1 x Vial type / 1 x horizontal / 1 x vertical End caps / Standard Length /120 cm