(patented) Non-handed hinge kit (weight capacity 170 Kg) in aluminum and zamak, premounted upper pin and counterplate in stainless steel 430, lower pin in galvanized steel with premounted stainless steel grub screw, premounted nylon bushing and adjustment grub screw, 2 socket flat head screws M5x12 in stainless steel premounted on lower window leaf, 1 grub screw M5x6 and 1 socket flat head screw M5x8 and 2 self-forming countersunk head screws M5x18 in stainless steel 304.