The Hultafors MST Spirit Level is made from strong aluminium profile measuring 100 x 25 mm weighing 1180 g/m. Easy to clean and equipped with ergonomic handles. Slots in the profile makes it possible to fasten the level against the wall, provding easier mounting of cabinets. Its crush-proof block vials have a +30% magnification lens and luminescent reflector for easier reading. The liquid in the vial is highly resistant to ultraviolet light and temperature fluctuations and gives the bubble optimal freedom of movement. The anti-static properties of the liquid means the bubble is not affected by static electricity. Radius of the vial is 2000 mm, giving a sensitivity of 1 mm/m. Tolerance in normal position is ±0.3 mm/m.