(patented) Left horizontal fulcrum Kit, turn-first function, in white galvanized zamak and black nylon, premounted screw in stainless steel 304 and 430, left hinge support in stainless steel 304, left pin in stainless steel 201 with premounted counterplate in stainless steel 430 and pin in galvanized steel, 1 self-forming countersunk head screw M5x18 in stainless steel 304.