Stabila Kit 4 Type R300 R-Beam Spirit Level Triple Pack (61cm (2 ft), 122cm (4 ft), 183mm (6 ft))Developed for the most demanding building site use. The STABILA R beam is the most progressive alternative to the traditional rectangular shaped level. This level is exactly what pros have asked for and need. The STABILA R Type 300 level has been especially developed to withstand the toughest building site conditions. It has been designed to be extremely strong, lightweight, twist resistant through a five chamber R profile and easy to use. It has an