Stabila STBRTYPESET2 R-Type 300 Spirit/Torpedo Level Set 61/122/25cm (3 Pack) The Stabila R-Type Levels are designed for the toughest construction site conditions, featuring an innovative 5-chamber aluminium R-profile for torsion rigidity and extreme robustness. These levels have removable, shock-resistant end caps with patented non-slip stoppers and an extra-wide 4cm measuring surface for exceptional stability. They also include three precise marking edges and a web over the horizontal vial for accurate marking or cutting along the full profile length. The R-shaped profile offers a comfortable grip with a continuous finger groove for easy handling and transport. Accurate to 0.029° (0.5mm/m) in both normal and overhead positions, the set includes a 61cm (24in) and a 122cm (48in) .