(patented) Non-handed hinge kit (weight capacity 110 Kg) in aluminum, premounted upper pin and counterplate in stainless steel 43, premounted nylon bushing and adjustment grub screw, 2 socket flat head screws M5x12 in stainless steel mounted on lower window leaf, 1 socket flat head screw M5x8 in stainless steel 304, nylon pin covers.