This patch panel by Delock can be used as a junction box on the wall or in enclosures. Additionally, clips for DIN rail mounting are included. With its standardized dimensions, it is suitable for easy snap-in mounting of four Keystone modules. Note Due to the narrow design only Keystone modules up to max. 18.0 mm width can be used. Specification https://elecena.pl/product/19535511/43407-keystone-patch-panel-4-port-grey 2021-09-26 https://elecena.pl/product/19535511/43407-keystone-patch-panel-4-port-grey 2022-08-22