Size:72-Inch The SOLA 72" X pro box beam level offers a strong, ergonomic aluminum profile (890 g/m strength) with 2 Shock-absorbing end caps to protect the level in case of a fall or shock. End caps are equipped with an anti-slip surface, allowing for convenient positioning and a secure grip to the measuring surface. The break-resistant acrylic block focus vial with 60% magnification also offer a luminous backing for low light conditions. The vial fluid is not affected by electricity and will not fade under sunlight. Accuracy of the level: ?0.5 mm/m (0.029°). made in Austria.