Folding handles, folding with recessed tray and stainless steel-Folding handles, also known as foldable handles, are available in different materials to meet various applications: steel, stainless steel, aluminium or technopolymer. Executions count folding handles with returning spring and RAL 9002 white colour, with or without recessed tray and gripping trays with housing seal, which prevent the penetration of any dirt or liquids into the housing interior.