The Safe-Lock grid systems, consist of tee profiles perimeter corners, and produced from high-quality galvanized steel. The painted parts are pre-painted with furniced polyester paint for maximum durability over time. Special Tee profiles with seismic clip “D” system, offering maximum resistance of the ceiling frame in seismic loads, maximum security and stability of connections and excellent torsion resistance due to the snap connection and flange. Moreover, they are visually exceptional because they have almost invisible connections. Additionally, tee profile have high resistance to fire because of the special expansion slots available on the main tee profile.