Kit for turn-first function with standard arm in stainless steel, LH concealed hinges made in zamak and white galvanized steel, premounted rod and rod divided into millimetres in pre-oxidized aluminum, TORX® pre-assembled grub screws in stainless steel. Casement max weight: 100 Kg; with the reinforcement kit art. 3010.718R/L 180 Kg.