Installation plates for 4 Keystone modules For grounding purposes, the inserts for modules are not powder-coated or hot-dip galvanized. The installation plates are fastened to the support plate with two screws. Unused fields in the support plate can be covered with dummy plates. Dimension: https://elecena.pl/product/18965066/abg00016-mounting-plate-3x-keystone-module-galvanized 2021-06-30 https://elecena.pl/product/18965066/abg00016-mounting-plate-3x-keystone-module-galvanized 2022-01-05