Key

An improved key comprising:

• a key-shaped supporting structure, made of a metal material, comprising a stem and a head, the head being provided with a through opening extending to opposite faces of the head through a thickness of the head, the through opening being entirely laterally delimited by inner side walls extending from a first one of the opposite faces of the head to a second one of the opposite faces;
• and
• an insert, made of a polymeric material, comprising an identification system, the insert being removably inserted into the through opening of the head,
• wherein the insert comprises at least one section protruding outwardly of the through opening and laterally projecting to cover a portion of the head adjacent to the through opening, thus abutting against a part of a portion of the head provided about the through opening, the insert accommodating the identification system removably therein,
• wherein the insert comprises two separate half-shells coupled to each other, each of the two separate half-shell protruding outwardly of the through opening and laterally to cover a respective portion of the head adjacent to the through opening,
• wherein at least one of the two half-shells of the insert comprises a hooking member enabling a junction of the two half-shells, thus defining, as a whole, the insert, and
• wherein the two half-shells are configured so that a cavity configured for accommodating a laminar element is defined following the coupling of the two half-shells and a mutual junction thereof by the hooking member.