Hinges and hinges for metal construction in six designs: 2-piece and 3-piece weld-on hinges with load capacities ranging from 50 to 800 kg per pair, decorative hinges made of raw steel with brass washers, weld-on hinges with brass rings and pins, gate hinges with adjustable return springs, and hinges with base plates for screwing on—in galvanised steel and Stainless steel V2A (AISI 304).