Sola spirit level BIG X, 400 mm. Very high measuring reliability even at extreme temperatures. Aluminium tube profile with red powder coating. Even more precise thanks to higher contrast. By darkening the areas to the left and right of the bubble edge, the contrast ratio between bubble and vial liquid is more than four times better. Features: Accuracy 0.5 mm/m. Accuracy 0.75 mm/m (reversal measurement). Bubble level with magnifying glass effect. X-profile made of aluminium. Shock-absorbing end caps.