KnightsbridgeSF0150PC Screwless Satellite Outlet Plate Polished ChromeIdeal for standard SAT TV/F-type connections (non-isolated). Non-isolated outlets are the standard type for domestic installations. This version must be used for satellite installations as a two way signal is required. The satellite box does not only receive signals it also sends a signal back to the satellite dish. Made from high quality ultra slim, premium grade material. Complete with integral gasket. Compliant to all relevant British safety standards. Minimum mounting depth: 25mm. Dimensions: 87.5mm x 87.5mm. Supplied in retail blister with full fitting instructions. 15 year guarantee.