Spirit Level Aluminium I 360 - Hultafors Strong I-profile made from aluminium measuring 50x23 mm and weighing 640 g/m. Crush-proof tubular vials that are highly transparent and durable. The fully adjustable end vial can be turned 90 degrees for setting or checking slopes. The radius of the vial is 200 mm, giving a sensitivity of 10 mm/m Tolerance in normal position is ±1.0 mm/m The liquid in the vial is a low viscosity coloured oil mixture that gives the bubble optimal freedom of movement Highly resistant to ultraviolet light and temperature fluctuations The anti-static properties of the liquid means that the bubble is not affected by static electricity SKU: 401203Read more