Abstract: A fastening and/or connection device makes it possible to fasten jewellery and/or costume jewellery items. Each item includes a first free end and a second free end that are joined together. The device includes a first portion to connect to the first free end of the item and a second portion suited to be connected to the second free end of the item. The device includes a main body, first connection means suited to place the main body and the first portion in a disengaged operating configuration or in an engaged operating configuration. A second connection means places the main body and the second portion in a disengaged operating configuration or in an engaged operating configuration.

Abstract: The present invention concerns a fastening and/or connection device (10; 110, 210) for a jewellery and/or costume jewellery item (B), wherein said item (B) comprises a first free end (B1) and a second free end (B2) to be joined together. The device (10; 110; 210) comprises a first portion (20; 120) suited to be connected to the first free end (B1) of the item (B) and a second portion (30; 130) suited to be connected to the second free end (B2) of the item (B). The device (10; 110; 210) comprises a main body (40; 140), first connection means (50; 150; 250) suited to place the main body (40; 140) and the first portion (20; 120) in a disengaged operating configuration or in an engaged operating configuration, and second connection means (60; 160) suited to place the main body (40; 140) and the second portion (30; 130) in a disengaged operating configuration or in an engaged operating configuration.